When he was 13 years old, Jeremiah Hill killed a man.

Although Hill was a child at the time, the nature of his crime meant it was dealt with by an adult court in Florida. He pleaded guilty to murder.

How did someone so young become a killer?

Jeremiah Hill's story is featured in American Justice on BBC Two. The first of three episodes is on television at 21:00 on Tuesday 21 March. The following episodes are on BBC Two on 28 March and 4 April. You can also catch up later online.