Can someone deposit a stolen check?

Technically it is a crime. But, if they want to try it, sure they can but they will eventually be caught and jailed for the act. Depositing a check that was stolen or a check that belongs to someone else is a crime and is punishable by law. When the owner of the check that was lost files a complaint with the cops, the destination where the check was cashed can be easily traced and the person who cashed it can be easily caught and punished.