Tristan Roberts, 18, handed life sentence after killing his mother with a hammer

Teenager expressed misogynistic views, had fascination with American Psycho and carefully planned the murder

An 18-year-old man who expressed misogynistic views and had a fascination with the horror film American Psycho has been jailed for life with a minimum term of 22 years and six months for killing his mother with a hammer.

Tristan Roberts carefully planned the crime, researching methods of killing and how to avoid being caught before purchasing potential weapons such as knives, hammers and an axe.