A dog might be a man's best friend.
A cat, not so much.
It's not merely that cats can be mercilessly self-centered beings. It's that their hair might help convict you, should you be accused of a heinous crime.
In what's said to be the first ever case of cat hair helping to catch a U.K. killer, scientists in Britain worked using a cat DNA database to identify cat hair found on a corpse.