Marsha Dietlein

Briscoe and Curtis probe the shooting of a well-known newspaper columnist.

A teen girl dies after she is seemingly pushed in front of a subway car by a homeless man; Frank is irritated by having to meet with the new inspector general (Bebe Neuwirth).

Ben’s mother comes to town, forcing issues to the surface between Ben and Serena.

An unstable woman stops taking medication and mows down 10 people with her car; a former rock star wages an anti-psychiatric-drug campaign.

While searching for Billy Clancy, an escaped parolee that he helped before, Walker learns that Billy's parole officer Dave Kilmer has been forcing Billy to commit crimes. To protect himself, Kilmer abducts Billy's wife Frances and son Billy Jr. and Walker must rescue them before Billy is killed by the corrupt Kilmer.

A machete-wielding killer targets affluent art-owners, and detectives focus on a group of youngsters a foster mother (Whoopi Goldberg) has raised.