Killer Siblings - Season 1

When their brother is convicted of murder, three siblings hatch a deadly plot to avenge him by targeting the star witness in his trial. The plan goes awry when the wrong person is on the receiving end of their vengeance.

Twin brothers, raised with a deep disdain for law enforcement, are arrested for shooting a neighbor's dog, then escape custody and go on the run, leading to one of the deadliest shootouts in Colorado history.

Raised in a strict home, Matthew and Tyler believe it's their duty to cleanse the world of those living in sin; when two men are found dead, the brother's connection to them points toward a hateful trail of crime.

Sheltered teen brothers Robert and Michael Bever idolized serial killers and dreamed of being the most prolific murderers in history. With an arsenal of weapons, their plan for notoriety begins at home in their quiet Oklahoma suburb.

The Carr brothers arrive in Wichita intending to commit robberies, but their plans quickly escalate to a murderous spree the likes of which Kansas had never seen. The reign of terror by the brothers is later known as the "Wichita Massacre."

After a man is found brutally murdered inside his own bar, a murder mystery unfolds over the span of years; detectives believe it's a business deal gone bad and must remain steadfastly dedicated to the case after hitting several dead ends.

In the summer of 1991, a pair of half-siblings creates panic across southern California when they embark on a spree of random crimes of the worst kind, targeting people out doing everyday tasks.

Over a brutal 7-month stretch, a trio of brothers commit a series of increasingly violent crimes across the city of Richmond, leaving behind a growing body count; even after their apprehension, these brothers prove difficult to contain.

A pair of larger-than-life identical twins commit a series of brutal attacks in a small Tennessee town; with each crime, the brothers grow more emboldened; as time goes on and with little evidence against them, there's no telling how far they'll go.

When a correctional officer is murdered, it seems like an act of vengeance, but a love triangle is exposed; after learning his wife is having an affair, a husband plans to kill her lover and enlists the help of his brothers to carry out the task.