DCI Banks

21 Jump Street revolves around a group of young cops who would use their youthful appearance to go undercover and solve crimes involving teenagers and young adults.

Detective Renée Ballard plunges into a web of murder and corruption as she hunts a ruthless serial killer and uncovers a sinister police conspiracy that threatens everything she stands for. With her own demons nipping at her heels, Ballard must outwit both criminals and colleagues to bring long-overdue justice to the victims and their families.

Dexter Morgan, a blood spatter pattern analyst for the Miami Metro Police also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.

Above Suspicion is a British crime drama programme starring Kelly Reilly as Anna Travis, a rookie detective determined to prove herself in the male-dominated police department by solving a trail of gruesome murders left by an unknown serial killer. Each series is based on a novel by Lynda La Plante: Above Suspicion (2009), The Red Dahlia (2010), Deadly Intent (2011), and Silent Scream (2012).