Nottingham Post commented Cannabis 'exacerbated' violent thoughts of man who killed grandma...

A drug user with an obsessional disorder strangled his grandmother and drowned his aunt in a bath after cannabis 'exacerbated' his violent thoughts, a court has heard.Christopher Whelan, 21, armed himself with an axe and a penknife during the killing of Julie Hill, 51, and 75-year-old Rose Hill, after allegedly struggling against an "irresistible impulse" to kill others.Nottingham Crown Court heard that Whelan later claimed to have heard "Satan" directing him as he killed the...