Title: Arson Investigations in Residential Structure Fires
 1Arson Investigations in Residential Structure 
Fires
- Christopher C. Janssen 
- State Fire Marshals Office 
- East Region/ Rockport 
- Fire/ Arson Investigation Division 
- Tommy Hubertus 
- State Fire Marshals Office 
- K-9 Division/ New Braunfels 
- Fire/ Arson Investigation Division
2Objectives
- Students will have better understanding of the 
 State Fire Marshals Offices Fire and Arson
 Investigation Division and its responsibilities
- Students will participate in a case study 
 involving an incendiary fire of a residential
 structure
3Objectives Continued
- Students will be able to recognize various signs 
 of intentionally set fires in residential
 structures
- Students will be able to identify investigative 
 techniques in post investigations
4History of the State Fire Marshals Office
- Formed in 1910 
- Initial purpose to investigate fires 
- Todays divisions include 
- Fire Industry Licensing Services and 
 Investigations, Fire Safety Inspections, TexFirs,
 Fire Prevention Outreach and Fire/ Arson
 Investigation Division
5Fire/ Arson Investigation Division
- Fire/ Arson Investigations 
- Investigations 
- K-9 
- Forensic Arson Laboratory  
- Firefighter fatality investigations 
- Hotline number (512) 305-7900 
- Tips Line (877) 434-7355
6Fire/ Arson Investigation Division Continued
- Investigators are peace officers 
- Requested by law enforcement agencies, including 
 Police Departments, Sheriffs Offices,
 Constables, Department of Public Safety, Texas
 Forrest Service, Texas Alcohol Beverage
 Commission and the Texas Parks and Wildlife
7Fire/ Arson Investigation Division Continued
- Requested by Fire Departments 
- Requested by Community Leaders 
- Requested by Insurance Agencies 
- Conducts fire investigations to determine cause 
 of fire
- If Incendiary, will conduct a criminal 
 investigation to determine responsibility
- Then will file charges with appropriate court
8Residential Structure Fires Statistics 
- According to the U.S. Fire Administration 
- 414,000 residential structure fires were reported 
 in the nation
- 2,895 deaths 
- 14,000 injuries 
- 7,546,000,000
9Residential Structure Fires Statistics Continued
- According to TexFirs Fires in Texas 2007 
- 16,398 residential structure fires 
- 95 civilian deaths and 523 civilian injuries 
- 272 fire service injuries 
- 280,101,017 in property loss. 
- Of the 16,398 residential structure fires 
- 1,043 residential structure fires were determined 
 to be incendiary/ suspicious
- 10 civilian deaths and 38 civilian injuries 
- 44 fire service injuries 
- 19,921,334 in property loss. 
10Residential Structure Fires Statistics Continued
- Of the 16,398 residential structure fires 
 reported to TexFirs
- 6,752 residential structure fires had an 
 undetermined cause
- 48 civilian deaths and 209 civilian injuries 
- 156,918,241 in property loss. 
11CASE STUDY 
 12Case Study 
- Fire reported at a residence at 126 AM by a 
 neighbor
- Fire Department and Sheriffs Office personnel 
 responded an found the southwest bedroom fully
 engulfed.
- Sheriffs Office requested the State Fire 
 Marshals Office to investigate
13Case Study Continued
- Information from Sheriffs Office 
- Residence was vacant at the time of the fire 
- Two previous burglaries reported at the 
 residence.
- During one burglary, I Love you. Please come 
 back was scribed into the flat panel television.
14Case Study Continued
- Interview of the owner (Mr. Johnson) 
- Mr. Johnson was renovating structure and was not 
 living at the residence
- Utilities were disconnected weeks before the 
 fire
- Mr. Johnson left the residence at 800 PM 
- No Insurance
15Case Study Continued
- Interview of the Future Occupant (Mrs. Jones) 
- Owners (Mr. Johnsons) daughter 
- Was at residence with another male attempting to 
 get money from husbands friend
- Left residence at 800 PM 
- Had another male (Mr. Smith) stalking her who 
 admitted to performing one burglary
- Had just finished decorating bedroom 
- Husband out of town for work.
16Case Study Continued
- State Fire Marshal Investigators examine the 
 residence
- The damage is concentrated to the bedroom 
- Damage greater toward the area on and around the 
 bed
- Back door window screen cut and window in open 
 position
- Nothing appeared to be missing from the 
 residence
- Second area of origin in kitchen where backpack 
 was burned on the floor.
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 35Case Study Continued
- No latent prints located at the scene 
- No indications from Canine 
- During post investigation 
- Investigators learned that husband met and became 
 friends with stalker suspect (Mr. Smith) of Mrs.
 Jones.
- Husband and Mr. Smith committed burglary at 
 another residence
36Case Study Continued
- Items stolen from other residence stored at this 
 residence
- Mr. Smith admitted to Mrs. Jones that he had 
 broken into residence and scribed into her
 television. He also told her that he loved her
- Mrs. Jones and husband go to dinner out of town. 
 
- While gone, their residence was burglarized with 
 several items taken (gun, money and drugs). Also
 it is believed that the items taken from the
 other burglary were also taken from Mrs. Jones
 residence
- Husband goes to Mr. Smiths residence looking for 
 stolen items including items taken from other
 burglary
37Case Study Continued 
- Husband steals Mr. Smiths fathers wallet 
- Husband uses Mr. Smiths fathers credit cards 
 and gets arrested
- The items that were stolen from the other 
 residence were believed to have been taken back
 by the husband
- Mr. Smith is the suspect in the fire and is 
 believed to have set the fire when attempting to
 get the stolen property back.
38RED FLAGS 
 39Red Flags in Residential Structure Fires
- Condition of the residential structure 
- Vacant 
- Under renovation 
- For sale or rent 
- Run down 
- Time of Fire 
- Items stolen or missing from structure 
- Easily pawn items (i.e. televisions, DVD players, 
 etc.)
- Personal property 
40Red Flags in Residential Structure Fires 
Continued
- Clean broken glass from window on inside of 
 residence under fire debris
- Forced entry into doors 
- Irregular shaped burn patterns 
- Usually on floor 
- Gasoline containers in or around residence 
- Document level of liquid in container 
- Submit sample of liquid to lab 
- Odor of ignitable liquid emitting from 
 residences interior
41Red Flags in Residential Structure Fires 
Continued
- Other available materials inside residence 
- Charcoal 
- Chopped wood 
- Large amount of paper/ books 
- Fabrics 
- Other available materials 
- Location of fire 
- On exterior 
- Usually on walls or under residence
42Red Flags in Residential Structure Fires 
Continued
- Location of Fire continued 
- On the interior 
- Usually in bedroom 
- Beds are targeted by spouses or significant 
 others
- Can be in other rooms (i.e. living rooms, 
 staircases, garages)
- Trailer pattern on ground 
- Leading to door of residence 
43Red Flags in Residential Structure Fires 
Continued
- Items exaggerated in Proof of Loss form 
- Smaller televisions found then what was claimed 
- Less property located in residence than what was 
 claimed
- Previous burglaries reported at residence 
- Juveniles using residence as hang out 
- Gang activity in area 
- Some gangs use fires as introduction into gang 
44Red Flags in Residential Structure Fires 
Continued
- Check for Latent prints 
- Exterior (If applicable) 
- Doors, cabinets, broken glass, burglar tools 
- Gasoline containers 
- Any other evidence 
- Document contents 
- Appliances, furniture, clothing or items missing 
- Graffiti in or around residence 
- In neighborhood 
- In residence 
45Red Flags in Residential Structure Fires 
Continued
- Document entire residence 
- Unburned portions for extra fuel or containers 
- Condition of rooms that were minimally damaged 
- Document area of origin 
- Walls, ceiling and floor 
- Available materials or irregular shaped burn 
 patterns within room(s)
- Eliminate all possible ignition sources 
- Required to determine Incendiary cause
46POST INVESTIGATION TECHNIQUES 
 47Post Investigation in Arson Investigation
- Statements are critical 
- Written or recorded 
- Interview of Owner/ Occupant 
- Problems with residence 
- Payment history 
- Repair history 
- Last time at the residence 
- What they were doing at the residence 
- Alibi 
- Contents of residence 
- Condition of residence
48Post Investigation in Arson Investigation
- Interviews of witnesses 
- Person that discovered/ reported fire 
- Neighbors to the scene 
- Firefighters/ Police Officers 
- What they observed 
- Location of fire in residence 
- Any history at residence 
- Persons seen at or near residence 
- Any history of neighborhood or town 
49Post Investigation in Arson Investigation
- Interviews of witnesses continued 
- Alibi witnesses 
- Determine if owners/ occupants story is true 
- Determine relationship with owner/ occupant 
- Contents of residence 
- Last time they had been at the residence 
- Timely interview is important 
- Preferably done in person 
50Post Investigation in Arson Investigation
- Interviews of witnesses continued 
- Realtor (if applicable) 
- Knowledge of residence 
- Previous prices of residence 
- Length of time on the market 
- Condition of residence when they purchased it 
- Identity of realtor that owner/occupant used to 
 initially purchase residence
51Post Investigation in Arson Investigation
- Interviews of witnesses continued 
- Repairmen/ Contractors 
- History of work performed 
- Nuisance work 
- Condition of residence 
- Family members 
- Problems with residence 
- Owners/ occupants problems (professional and 
 personal)
- Conversations with owner/ occupant
52Post Investigation in Arson Investigation
- Interviews of witnesses continued 
- Friends/ co-workers 
- Conversations with owner/ occupant 
- Work history 
- Financial problems 
- Relationship problems 
- Desire of moving 
- Insurance Agents 
- Changes in policies 
- New policy
53Post Investigation in Arson Investigation
- Get elimination fingerprints from owner/ 
 occupants
- Obtain cellular phone numbers for call records 
 and eventually cell site information
- Cell site information 
- Has to be more than fifteen miles from known area 
- Problems encountered with prepaid cellular phones 
54Post Investigation in Arson Investigation
- Motive for owner/ occupant set residential 
 structure fires is usually money
- Owners/ Occupant financial information 
- Changes in insurance coverage or new policies 
- Previous claims on residence 
- Including homeowner policy 
- Lender information 
- Payment history 
- Tax information
55Post Investigation in Arson Investigation
- Owners/ Occupants Job History 
- Loss of job 
- Demotion in job classification 
- Divorce 
- Fighting over property 
- Owner living outside means 
- Expensive residence 
- Will loose money if sold at market price 
- Interest only loans (balloon loans)
56Post Investigation in Arson Investigation
- Motives for other persons to set residential 
 structure fires
- Gangs 
- Some use fires as initiation 
- Claiming territory 
- Getting attention 
- Crime concealment 
- Burglary, murder, sexual assault, etc. 
- Angry friends/ spouses 
- Feuding neighbors
57Post Investigation in Arson Investigation
- National Insurance Crime Bureau (NICB) 
- Will assist with previous claim history on 
 residence
- Can provide previous claim history on owner/ 
 occupant
- Can be a liaison between insurance companies and 
 law enforcement
58State Fire Marshal K-9 Accelerant 
Team
- Instructor 
- Tommy Hubertus 
- 512-417-7227 
- 512-305-7900
59Objectives
- Understanding the K-9 Team 
- Understanding how the K-9 Team works 
- Knowing what a K-9 Team can do for you 
- Knowing when to call a K-9 Team 
- Knowing what to do before and after calling a K-9 
 Team.
60There are only four State Fire Marshal K-9 Teams 
in the State 
 61Handler Clint WIlliams in Fort Worth 
 62Handler Tommy Pleasant and Tess in Corpus Christi 
 63David Rives and Saxon in Caldwell 
 64Handler Tommy Hubertus and Buddy in New Braunfels 
 65Buddy in Port A 
 66Training
- We are allotted 16 hours a month minimum to 
 train.
- Training is very important to a good K-9 Team. 
- Public presentations and demonstrations is a form 
 of training.
- Handling a canine takes a lot of time and effort.
67Heavy
-  Heavy 
- Diesel 
- Transmission Fluid 
- Kerosene
68Medium
- Medium 
- Gum Spirit Turpentine 
- Ultra Pure Lamp Oil 
- Gasoline (fresh) 
- 50 Evaporated Gas 
- 75 Evaporated Gas 
- Charcoal Lighter Fluid 
- Paint Thinner 
69Light
- Light 
- Paint Remover 
- Coleman Fuel 
- Acetone 
- Lacquer Thinner 
70Clothing line up demo in C.C. 
 71Sit and stair 
 72The reward and play 
 73Can line up at the State Capitol 
 74The sit and stair 
 75Publicity 
 76Worked cases
- I worked over 100 fire scenes from 09/01/2005 to 
 08/31/2006.
- We do not do full blown investigations 
- We are only mainly for the fire scene exam. 
- With being on over 100 fire scenes, the travel 
 involved, the care for the canine, there is not
 much time for anything else.
77How the canine works
- The canine is purchased overseas 
- We get them from a vender in Alabama 
- The canine is trained on odor for 5 weeks before 
 we get it
- The canine is placed with the handler and they 
 train for an additional 5 weeks
78How the canine works
- The canine uses its nose. 
- The canine smells in parts per million and 
 billion.
- The canine works for the reward. 
- The canine has a passive alert. Sit and stair. 
- The canine knows when he finds the source of the 
 odor its toy will pop out.
79How the canine works
- There are four drives prevalent in SFMO canines 
- Hunt 
- Air scent 
- Retrieve 
- Prey
80How the canine works
- There are many uses for the canine in today's 
 work and play environment
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 82How the canine works
- Work dogs 
- Pet dogs 
- There is a difference
83How the canine works
- The work dog works. That is all he wants to do. 
 He wants to find the odor and get his toy and
 play.
- He is born, bread and raised this way. 
- However he will still be just a dog when he wants 
 to.
84What the K-9 team can do for you
- The team can assist you with the fire scene exam. 
- Safety 
- Diagram 
- Documentation 
- On scene interview 
- Fire debris removal 
- Evidence location and collection. 
85What the K-9 team can do for you
- Fire scene examinations should not be undertaken 
 alone. A minimum of two individuals should be
 present to ensure that assistance is at hand if
 an investigator should become trapped or injured.
 If it is impossible for the investigator to be
 accompanied, he or she should at least notify a
 responsible person of where the investigator will
 be and of when he or she can reasonably be
 expected to return.
86What the K-9 team can do for you
- The main reason for the K-9 team on a fire scene 
 is evidence location and collection.
- Some handlers will tell you where to pull the 
 sample.
- Some will pull the sample and send it to the lab 
 themselves.
87What the K-9 team can do for you
- When a canine/handler team is used to detect 
 possible evidence of accelerant use, the handler
 should be allowed to decide what areas (if any)
 of a building or site to examine. Prior to any
 search, the handler should carefully evaluate the
 site for safety and health risks such as
 collapse, falling, toxic materials, residual
 heat, and vapors and should be the final arbiter
 of whether the canine is allowed to search.
88What the K-9 team can do for you
- It should also be the handlers decision whether 
 to search all of a building or site, even areas
 not involved in the fire. The canine/handler team
 can assist with the examination of debris (loose
 or packaged) removed from the immediate scene as
 a screening step to confirm whether the
 appropriate debris has been recovered for
 laboratory analysis.
89What the K-9 team can do for you
- Properly trained and validated ignitable liquid 
 detection canine/handler teams have proven their
 ability to improve fire investigations by
 assisting in the location and collection of
 samples for laboratory analysis for the presence
 of ignitable liquids. The proper use of detection
 canines is to assist with the location and
 selection of samples.
90What the K-9 team can do for you
- In order for the presence or absence of an 
 ignitable liquid to be scientifically confirmed
 in a sample, that sample should be analyzed by a
 laboratory. Any canine alert not confirmed by
 laboratory analysis should not be considered
 validated.
91What the K-9 team can do for you
- Research has shown that canines have responded or 
 have been alerted to pyrolysis products that are
 not produced by an ignitable liquid and have not
 always responded when an ignitable liquid
 accelerant was known to be present. If an
 investigator feels that there are indicators of
 an accelerant, samples should be taken even in
 the absence of a canine alert.
92What the K-9 team can do for you
- The canine olfactory system is believed capable 
 of detecting gasoline at concentrations below
 those normally cited for laboratory methods. The
 detection limit, however, is not the sole
 criterion or even the most important criterion
 for any forensic technique. Specificity, the
 ability to distinguish between ignitable liquids
 and background materials, is even more important
 than sensitivity for detection of any ignitable
 liquid residues.
93What the K-9 team can do for you
- Unlike explosive- or drug-detecting dogs, these 
 canines are trained to detect substances that are
 common to our everyday environment. The
 techniques exist today for forensic laboratories
 to detect submicroliter quantities of ignitable
 liquids, but because these substances are
 intrinsic to our mechanized world, merely
 detecting such quantities is of limited
 evidential value.
94What the K-9 team can do for you
- Current research does not indicate which 
 individual chemical compounds or classes of
 chemical compounds are the key triggers for
 canine alerts. Research reveals that most classes
 of compounds contained in ignitable liquids may
 be produced from the burning of common synthetic
 materials.
95What the K-9 team can do for you
- The proper objective of the use of canine/handler 
 teams is to assist with the selection of samples
 that have a higher probability of laboratory
 confirmation than samples selected without the
 canines assistance.
96What the K-9 team can do for you
- Canine ignitable liquid detection should be used 
 in conjunction with, and not in place of, the
 other fire investigation and analysis methods
 described in this guide.
97What the K-9 team can do for you
- Location of evidence 
- Sometimes there will be an indication where we 
 would not think to pull a sample
- The K-9 will go to the strongest source of the 
 odor
- Contents legs at floor level 
- Door jambs and base plates 
- Under decks in the dirt
98What the K-9 team can do for you
- A quicker search, fewer and more accurate samples 
- Because the K-9 has a stronger sense of smell he 
 will go to the odor
- The Investigator may only look at the burn 
 patterns and pull from experience
- May pull more samples than is needed
99Knowing when to call a K-9 Team
- Get accurate information from the requestor 
- Contact the owner and find out what was in the 
 structure.
- Contact local Police 
100Knowing when to call a K-9 Team
- The requestor will give you general knowledge 
 about the fire
- What type of structure and use 
- Date and time 
- Weather conditions 
- Utilities 
- Any suspicious activity
101Knowing when to call a K-9 Team
- The owner can give you information about what was 
 in the structure.
- Storage of ignitable liquids 
- Chemicals 
102Knowing when to call a K-9 Team
- The Police can give you history about the address 
- Calls for service 
- Type of calls 
- Drug activity 
- Disturbances 
- Burglaries 
- Other fires in the area
103Knowing what to do before the K-9 team arrives
- Do what you need to do to prepare for your 
 examination.
- Exterior photos 
- Diagram 
- Interviews 
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 105Knowing what to do before the K-9 team arrives
- Fire debris removal 
- Remove the roof and or tin 
- Remove the larger fire debris 
- Large timbers 
- Large ceiling joist 
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 108Knowing what to do before the K-9 team arrives
- The K-9 needs access to the areas where there 
 might be an ignitable liquid
- The most obvious places would be the floor 
- Door ways 
- Furniture
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 123Thank You 
 124Questions?