Paedophile murdered after he boasted about child abuse

A killer slit a suspected paedophile’s throat after he bragged about having sex with a six-year-old child, a court heard. David Potter, 50, was found lying face down in a pool of blood with multiple stab wounds, including one which cut through to his spine, at his south London home last 26 March. He had been repeatedly knifed by Christopher McMahon, 48, in the early hours of 21 March but his body lay undiscovered for five days. Jurors heard the…