Forensic tire tread evidence

Forensic tire tread evidence records and analyzes impressions of vehicle tire treads for use in legal proceedings to help prove the identities of persons at a crime scene. Every tire will show different amounts of tread wear, and different amounts of damage in the form of tiny cuts and nicks. These unique characteristics will also show on the impression left by the tire.

Forensic science
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Outline Category

This forensic technique was first invented in 1930 by David Chapman, a researcher affiliated with the Sheriff's Office in Los Angeles, California, in the United States.[1]

References

"Tire "Fingerprints" to Trace Bandit Cars", Popular Science, 116 (2): 61, 1930, ISSN 0161-7370

External links

Scientific Working Group on Shoeprint and Tire Tread Evidence (SWGTREAD), from the International Association for Identification

Tires
Types	Tubeless tire Radial tire Low rolling resistance tire Run-flat tire Michelin PAX System Airless tire Tweel Rain tyre Snow tire All-terrain tire Bar grip Knobby tire Large tire Mud-terrain tire Paddle tire Orange oil tires Whitewall tire Aircraft tire Tundra tire Bicycle tire Tubular tire Lego tire Motorcycle tyre Tractor tire Racing slick Formula One tyres Spare tire Continental tire
Components	Bead Beadlock Tread Siping (rubber) Valve stem Dunlop valve Presta valve Schrader valve
Attributes	Camber thrust Circle of forces Cold inflation pressure Contact patch Cornering force Ground pressure Pacejka's Magic Formula Pneumatic trail Relaxation length Rolling resistance Self aligning torque Slip angle Steering ratio Tire balance Tire load sensitivity Tire uniformity Lateral Force Variation Radial Force Variation Traction (engineering) Treadwear rating
Behaviors	Aquaplaning Groove wander Slip (vehicle dynamics) Tramlining
Maintenance	Tire maintenance Tire rotation Bicycle pump Central Tire Inflation System Tire mousse Tire-pressure monitoring system Tire-pressure gauge Direct TPMS Bead breaker Tire changer Tire iron
Life cycle	Tire manufacturing List of tire companies Retread Waste tires Tire recycling Tire fire Blowout Flat tire Ozone cracking
Organizations	European Tyre and Rim Technical Organisation Tire Society Tire Science and Technology
Identification	Tire code Plus sizing Tire label Uniform Tire Quality Grading (UTQG)
Outline of tires Category

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