Great Expectations premiered at the London Film Festival, and will be released in cinemas next week.
It's directed by Hertfordshire's Mike Newell - the man behind 'Four Weddings and a Funeral'.
Here's our Entertainment Correspondent Lucrezia Millarini.
More top news
"All it takes is for somebody to see me - and I could just die, just like that. I could want to go to the shop and not come home."
Before the killing, Peters searched the internet for "serial killers", "treatment of child killers in prison" and "premeditated murder".
Arriva Rail North, Greater Anglia and South Western Railway are all affected.