Each person?s signature is as individual as their fingerprint.

There is a fingerprint and DNA match and an eyewitness has identified this individual,

Gates are a personal signature of who the person is.

Rasputin?s writing looked like a snake went across the page.

They have no idea if that signature belongs to the real person because they don't know who the real person is, and they're not checking a real ID along with it, so it makes no sense.

DNA is the fingerprint of the 21st century,