Police have released new images of the burnt-out house where a mother and her five children were killed in a fire in Essex.
It's thought the blaze at their home in Harlow in October last year was started by burglars.
The full story now from Tom Barton.
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"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.