‘I helped my boyfriend murder and dismember Sarah Mayhew’

A killer who helped her boyfriend dismember a woman’s body with power tools is facing a life sentence. Sarah Mayhew’s remains were discovered in Rowdown Fields in New Addington, Croydon, by a horrified dog walker on 2 April. Gemma Watts, 49, admitted murdering Ms Mayhew, 38, and perverting the course of justice by chopping up the body, disposing of the body parts at various locations and cleaning up the crime scene. Her boyfriend, convicted killer Steven Sansom, 45, earlier admitted…