Homicide: Life on the Street (1993)

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.

New York, 1896. Police commissioner Theodore Roosevelt brings together criminal psychologist Dr. Laszlo Kreizler, newspaper illustrator John Moore and secretary Sara Howard to investigate several murders of male prostitutes.

The story of the rise and fall of the Baltimore Police Department's Gun Trace Task Force — and the corruption and moral collapse that befell an American city in which the policies of drug prohibition and mass arrest were championed at the expense of actual police work.

A recent widower and acclaimed poet, enigmatic Inspector Adam Dalgliesh employs his exceptional empathy and insight to plumb the darker depths of the human psyche while investigating complex crimes in 1970s England.

Tommy Lynley is a brilliant police detective but an outsider in the force – simply by virtue of his aristocratic upbringing. He is paired with Barbara Havers, a sergeant with a maverick attitude and a working-class background. With seemingly nothing in common and against all odds, the mismatched duo of Lynley and Havers become a formidable team, bonded by their desire to see justice done.

The adventures of Miss Jane Marple, an elderly spinster living in the quiet little village of St Mary Mead. During her many visits to friends and relatives in other villages, Miss Marple often stumbles upon mysterious murders which she helps solve. Although the police are sometimes reluctant to accept Miss Marple's help, her reputation and unparalleled powers of observation eventually win them over.

After a serial killer imitates the plots of his novels, successful mystery novelist Richard "Rick" Castle receives permission from the Mayor of New York City to tag along with an NYPD homicide investigation team for research purposes.

Father Brown is based on G. K. Chesterton's detective stories about a Catholic priest who doubles as an amateur detective in order to try and solve mysteries.

Jack Frost is a gritty, dogged and unconventional detective with sympathy for the underdog and an instinct for moral justice who attracts trouble like a magnet. Despite some animosity with his superintendent, Norman “Horn-rimmed Harry” Mullett, Frost and his ever-changing roster of assistants manage to solve cases via his clever mind, good heart, and cool touch.

Two estranged spouses — one a detective, the other a news reporter — vie to solve a murder in which each believes the other is a prime suspect.