I assume he refers to the common practice of police promising leniency in exchange for cooperation, then ignoring the offer after the suspect cooperates. Or wh

I assume he refers to the common practice of police promising leniency in exchange for cooperation, then ignoring the offer after the suspect cooperates. Or when police lie about an accomplice having cooperated and implicating the suspect - so hey you should help us out to and save yourself. Or when police pretend to be hitmen, seeking payment for murder. Or when police pretend to be drug dealers. Or when police pretend to be terrorists or weapons smugglers or or or or.