If a well-known bank robber endorsed a burglar alarm system in a commercial, consumers would be persuaded more favourably because of his presumed credible knowledge than turned off by his former criminal activity.

Burglar Alarm System

A security system designed to detect unauthorized entry into a building or area, typically involving sensors and alarms to deter burglars.

Bank Robber

An individual who illegally steals money from a bank, typically through force or threats, as part of a criminal act.