Crime Lab Tour: The Forensic Garage
Vehicle examination bays are a relatively new feature of the modern crime lab in the United States. Now there have always been garages that vehicles could be sequestered in but that was not their primary purpose. Large agencies may have used parking structures (for patrol vehicles) or impound lots but they lacked certain amenities for the forensic scientist. When I first got into forensics we used to process vehicles at the tow yard. Some had indoor garages but others did not. In some cases they would back the cars into a kind of shipping container where you couldn’t even open the doors! Another problem is the potential for unauthorized access. Even if you lock the vehicle it’s possible for damage to occur from the normal operations of the tow yard. Workers may brush against the car wiping off fingerprints or they can accidentally hit the vehicle as they move other vehicles around. I’ve even seen cases where the suspect (owner) climbs the fence after hours and literally steals their car back from the tow yard.
A forensic garage offers certain qualities that are hard to find in other facilities such as,
- Security from all persons not affiliated with the investigation (including other officers and detectives)
- Environmental control (weather, lighting, temperature, etc.)
- Access to specialized tools and processing systems.
Most vehicles can be processed in the field. Fingerprinting a recovered stolen vehicle with no damage may not necessitate it being towed back to the crime lab. If the car was used to kidnap and rape a woman however, it’s going to take time to process. Some vehicles can take hours to properly search and document. It’s nice to have a safe and secure area to work in where you don’t have to worry about approaching snow storms, security, limitations of your equipment, or even the prying eyes of the media. You may have to wait hours for a search warrant to look for various kinds of trace evidence, documenting damage like impacts or bullet holes, or even restoring obliterated VIN numbers so it nice to know the vehicle is protected. A forensic garage allows the investigator to control the environment which is critical for things like an ALS examination (light control) or the application of blood reagents like Luminol.
In addition to the controlled environment the garage can provide very specialized equipment such as chemical fume hoods, vehicle lifts, pneumatic tools, even a winch. Vehicle lifts are handy for getting under a vehicle to recover fired bullets, remove tires or bumpers, or even document things like damage to brake or fuel lines. It’s also nice to get under vehicles to look for blood, tissue, or clothing strips in cases of hit and run or homicide where the victim is intentionally run over. You may even find vegetation from the crime scene wedged in the undercarriage. Most garages are designed to be over sized. Large enough to house a city bus or several vehicles at once. Further, the garages are alarmed, can be easily locked down, and may even have video surveillance. I was recently at a large garage that even had a huge tent structure that allowed the entire vehicle to be fumed with cyanoacrylate! Most forensic garages have room for two to six vehicles although some agencies may have more if they can demonstrate a need (like a regional or state crime lab).
Bottom line is that a forensic garage is a unique feature of the modern forensic laboratory. They are nothing like the automotive garages you may be used to. They are over sized to ensure there is enough room for a photographer to be able to get the whole car in a single photograph and some even have cat walks above so elevated pictures can be taken. If you ever get a chance to tour a crime lab call ahead and see if they have a garage you can visit. Some may be off site from the main crime lab so it doesn’t hurt to ask in advance.
Posted on October 24, 2012, in The Crime Laboratory and tagged bullet, crime, Crime Scene, csi, detective, fiction, forensic garage, forensics, murder, mystery, police, thriller, tom adair, vehicle examination. Bookmark the permalink. 3 Comments.