Poached Pegs

“Using newly developed powders, fingerprint experts were able to lift some useable prints up to 28 days after they were deposited on rhino ivory, hippo teeth and sperm whale teeth.” (http://uk.whales.org/news/2015/11/new-fingerprint-techniques-could-foil-whale-tooth-poaching)

Dentists beware.

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Featherprints

“Red and green magnetic fluorescent powders were the most successful at recovering fingerprints from feathers. Black magnetic powder was the most successful at recovering fingermarks from eggs.” (http://www.theguardian.com/environment/2015/jan/14/scientists-recover-fingerprints-bird-feathers-eggs)

Not all you clutch is fair game so beware of being fingered for foul-play.