Netflix’s latest series of crime series lets you have chills over the head of the condemned killer and the NFL player Aaron Hernandez – and how brain trauma has influenced its decision to kill.

Hernandez was a New England Patriots player who played three seasons in the popular American Soccer League before being arrested and convicted of the murder of Odin Lloyd in 2013.

Killer Inside: The Mind Of Aaron Hernandez trailer

Lloyd was 27 and went out with Hernandez’s sister, when he was repeatedly shot in an industrial park in Massachusetts on 17 June 2013.

Hernandez and two others were arrested and accused nine days later. He was sentenced to lifelong imprisonment without the possibility of a sentencing.

In 2017, Hernandez was found dead in his cell while waiting to accuse his conviction, and only five days after he was found innocent in the killings of two other men.

In His autopsy, he was diagnosed with chronic traumatic encephalopathy brain damage caused by repeated head injuries, which sometimes causes a lack of impulse control, and increased aggression and anger.

In the trailer for the new documentary, which was issued next week, the series looked at the psychological development and pressure on Hernandez, and the contributing factors that could lead him to kill Lloyd.

He is called a ‘ tiating time bomb ‘ by people who knew him in the new interviews, discussing his addiction to recreational drugs, the use of guns and violent outbursts.

In a cold call that Hernandez apparently heard with his mother, Hernandez heard him say: ‘ I was the happiest little child in the world, and you brought me up.