The sister of the nursery worker who was shot and killed in Kilburn last week has made an emotional appeal for witnesses to contact police. Twenty four-year-old Sabrina Moss was killed when gunmen fired into a crowd of 20 people outside a fast food restaurant.
Today she was described as a "wonderful mother and sister". Nick Thatcher has the story.
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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.