Billy Concha

Simone leads the investigation when a murderer claims someone close to the squad; Russell questions Simone's approach to the case; Donna quits her job.

The unit investigates when a dead body is placed in the precinct; Sipowicz worries about Theo's health; Medavoy diets.

Sipowicz and Simone search for a serial rapist; Russell deals with family violence; Medavoy and Lesniak investigate vicious attacks.

Simone and Sipowicz probe the gruesome death of a young woman; a surgeon's wife wants to press charges against her husband's mistress when her husband is shot.

Simone and Sipowicz probe a drive-by shooting; Russell and Kirkendall learn that a baby was shaken to death; Fancy presses for a killer's confession.

The squad tracks down a Russian mail-order bride's killer and investigates a drive-by shooting involving a city bus.