Series about maniacs

Dexter is an American television drama series. The series centers on Dexter Morgan, a blood spatter pattern analyst for 'Miami Metro Police Department' who also leads a secret life as a serial killer, hunting down criminals who have slipped through the cracks of justice.

When a brilliant bookstore manager crosses paths with an aspiring writer, he uses the internet and social media to gather the most intimate of details and get close to her. A charming and awkward crush quickly becomes obsession as he quietly and strategically removes every obstacle - and person - in his way.

Notorious serial killer Joe Carroll, after being found guilty of murdering 14 female students on the Virginia college campus where he taught literature, escapes from death row. The FBI calls former agent Ryan Hardy to consult on the case, as he was the one responsible for Carroll’s capture in 2003. Ryan, working closely with an FBI team, including Mike Weston and FBI Specialist Debra Parker, piece together the ever-growing web of murders orchestrated by the devious Carroll.

Both a gift and a curse, Graham has the extraordinary ability to think like his prey—he sees what they see, feels what they feel. But while Graham is pursuing an especially troubling, cannibalistic murderer, Special Agent Jack Crawford teams him with a highly respected psychiatrist – a man with a taste for the criminal minded – Dr. Hannibal Lecter.

When a gruesomely staged body is found, propped up on a mountain pass in the Alps close to the German-Austrian border, two detectives are sent to investigate. For German detective Ellie, this is the first real challenge of her career; her Austrian counterpart Gedeon though seems to have lost any ambitions in his job. Very soon, they discover more crime scenes with symbolically posed victims, reminiscent of pagan rituals. It all seems to be part of a bigger, sinister plan. Ellie finds herself under increasing pressure to understand the deranged killer's motives so she can stop him. The hunt leads them ever deeper in the dark valleys and archaic Alpine customs - and the paranoid world of the killer.

What starts as a YouTube video going viral, soon leads to problems for the teenagers of Lakewood and serves as the catalyst for a murder that opens up a window to the town's troubled past. Everyone has secrets. Everyone tells lies. Everyone is fair game.

The super-charged comedy-horror series is a modern take on the classic whodunit with a killer cast. 

Jeanne Deber, known as "La Mante", the famous serial murderer who terrorized France more than 20 years ago, is forced by the police to come out of isolation to track down her copycat. She agrees to collaborate on one condition: to have only one interlocutor, Damien Carrot, her son, who became a cop because of the crimes of his mother, and who refuses all contact with her since her arrest.

A complex thriller revolving around three characters, each with troubling pasts clouding their intersecting motives: Emma is a young woman who once loved a dangerous killer, John is a former serial predator desperate for redemption, and a grieving mother Mary who is obsessed with finding her missing daughter.

Based on the true story of Lanarkshire detective William Muncie’s quest to bring to justice notorious Scottish killer Peter Manuel.

A policeman dies chasing a serial killer and is reincarnated in another policeman five years later, granted immortality in exchange of never revealing his true identity.

A psychopath’s ruthless serial murders have left the entire nation gripped with fear and chaos. A honest and justice-seeking rookie police officer and a veteran detective with tragic past, face against the killer. After the encounter with the psychopath, their lives totally change.

High-school girl Yuri suddenly finds herself on the rooftop of a high-rise building. She's trapped in a bizarre world surrounded by skyscrapers, where a masked man cracked open a man's head with an axe before her eyes. Finding a way to survive this bizarre world, find her beloved brother, and escape becomes her top priority, but she is beset by danger not just from the mysterious Masks, which possess both inhuman strength and cruelty, but other survivors turned cruel or desparate by the insanity of the high-rise world.