Throughout its run of over 300 episodes, the team has seen many disturbed and terrifying suspects.

With such compelling characters, it’s easy to see why the show lasted all these years.

Here are the 10 most twisted suspects onCriminal Minds.

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Two of the suspects don’t recall killing anyone.

They only remember a distinct smell and getting attacked by “a shadow monster with talons.”

Frank Breitkopf

The BAU makes a deal with the devil when they first encounter Frank.

Entry 8_Criminal Minds Jamie Kennedy as Floyd Feylinn Ferell

The Womb Raider

Thomas Yates, a.k.a.

The Womb Raider first appeared in season seven through flashbacks.

Later he started removing their vocal cords after they had died.

Mr. Scratch sketch in Criminal Minds

One of their earliest victims was a boy named Charlie who grew into a teenager as their prisoner.

They used Charlie to lure and trap other kids in their dark and twisted web.

The couple also owned a funeral home with a crematorium.

Entry 2_Criminal Minds Keith Carradine as Frank Breitkopf

The Roycewoods burned misbehaving and uncooperative children.

Lucas, unfortunately, didn’t understand what he was doing as wrong, due to his intellectual disability.

Apparently, Dr. Turner forgot the number one rule of the Hippocratic Oath: Do no harm.

Entry 3_Criminal Minds Adam Nelson as Thomas Yates Mug Shots

Adam Rain

This serial killer is a collector of manmade marionettes, emphasis on the manmade.

He tortured his victims with limb contortion and turned them into lifesize puppets on strings.

The marionettes were a remnant from his childhood, as his father used to put on shows for him.

Entry 4_Criminal Minds Roycewood Funeral Home Crematorium

Adam woke up childlike and murderous, reliving his father’s death with his own human puppets.

It turns out though, that the kid killer is another kid: Jeffrey Charles.

Jeffrey hated that his father, the school counselor, spent so much time with other kids.

Entry 5_Criminal Minds Mason Turner Pig Farm

Eventually, he cracked and started bludgeoning his classmates to get back at his dad.

Floyd Feylinn Ferell

Barbecue restaurant owner Feylinn Ferell has a deeply twisted secret recipe: human bodies.

During his time at the asylum, he studied Satanism.

Entry 6_Criminal Minds Adam Rain’s Human Puppets

Once released at 18-years-old, he opened his barbecue restaurant and began claiming victims.

But practicing cannibalism himself wasn’t enough.

Before killing his victims, he made them eat the fingers of his other victims first.

Cameron Monoghan as Jeffrey Charles with a bat in Criminal Minds

Floyd left just enough of his victims to carve Satanic symbols into their torsos.

They are grooming the boy to become a killer.

This generation of the Romani family isn’t the first to engage in serial abduction and killing.

Derek Morgan aiming a gun in Criminal Minds.

It’s their tradition.

NEXT:MBTI Of Criminal Minds Characters

Entry 10_Criminal Minds Romani Family Charm

Criminal Minds