A Pennsylvania man has been arrested on a homicide charge after he burst into his neighbour's home and slaughtered him with a chainsaw in a full Scream movie costume, believing the victim had killed women and children a year ago, police say. Zak Moyer, dressed in an terrifying all-black costume 'consistent with the 'Scream' movie character' Ghostface, allegedly struck his next-door neighbour, elderly man Edward Whitehead Junior, 59, 'multiple times with a knife and a battery-operated chainsaw', state troopers said. Court documents revealed Moyer, 30, admitted to stabbing Whitehead in the head, before going back to his own home to...