2000s anthology where teacher gets arrested for sex with student

Told from the points of view of both the Baltimore homicide and narcotics detectives and their targets, the series captures a universe in which the national war on drugs has become a permanent, self-sustaining bureaucracy, and distinctions between good and evil are routinely obliterated.

A boy plants a microphone in the sitting-room so that he can listen to his parents after going to bed at night.