How does wearing latex gloves keep fingerprints from being destroyed?
March 10, 2012 6:10 PM Subscribe
In pretty much every detective show I've seen, people at the crime scene wear latex gloves in order to protect any fingerprints that might be around. My question is, how does this keep fingerprints from smearing? Given that the fingerprints are just oil residue left behind, how does wearing a glove keep the oil from being displaced and ultimately destroying the fingerprint