The act of forging, fabricating, or producing falsely; esp., the crime of fraudulently making or altering a writing or signature purporting to be made by another; the false making or material alteration of or addition to a written instrument for the purpose of deceit and fraud; as, the forgery of a bond.
That which is forged, fabricated, falsely devised, or counterfeited.
Criminals look at identity theft and say only 1 in 700 criminals gets convicted of it. And they look at check forgery and they know that for every 1,400 forgers arrested, only about 123 get convicted and about 26 go to jail. So the rewards are great, but the risks are very slim. So that's one of the reasons that make it very popular. Frank Abagnale