
Police Department Fingerprint Lab
When working in a laboratory setting, detectives dust for prints under an exhaust hood. Fingerprint powder is extremely messy, like charcoal.
Detectives use light, brushing and swirling motions to apply print powders.
Fingerprinting…

Cyanocrylate Fuming – Fingerprinting with Superglue
The process of fingerprint fuming is relatively easy. All that’s needed to perform the technique is a fairly airtight tank, some heat, and a few drops of Superglue.
Fingerprints leave behind traces of amino acids, fatty acids,…

Sgt. John Howsden on Body Armor, Superman, and More
They stink, chafe, and make you look fat, but they also stop bullets, and for cops, that's a good thing. Bullet-proof vests are made of a fabric called Kevlar, which is five times stronger than steel.
Vests don't deflect bullets,…