Fake "Only Ones"

Not people pretending to be police to commit crimes but people using fake credentials to become real police or to get promotions.

CPS instructor, Berwyn cops turn up on list of possible bogus degree recipients

A federal list of suspected buyers of bogus degrees from a Washington state criminal diploma scheme includes a Chicago Public Schools instructor and five current or former Berwyn police officers—at least one of whom allegedly sought city reimbursement for his bogus PhD in criminal justice, the Tribune has learned.

Yep. Makes me feel safe.