Bryan Kohberger’s former friends tell how he became addicted to heroin because he wanted ‘validation’

The latest headlines from our reporters across the US sent straight to your inbox each weekday Your briefing on the latest headlines from across the US Your briefing on the latest headlines from across the US SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our privacy policy Former friends of the Idaho university murder suspect Bryan Kohberger have spoken out about the accused killer’s struggle with heroin addiction. “I feel he was looking for validation, and that’s why he fell into that crowd,” Casey Arntz, who went to the same high school as Mr Kohberger, told the Statesman. “And honestly, it’s why he fell into the whole drug scene.” Mr Kohberger stands accused of murdering University of Idaho students Madison Mogen, Kaylee Goncalves, Xana Kerndole and Ethan Chapin in an off-campus rental home in Moscow on 13 November. “I was freaking out and not happy I had heroin in my car and didn’t even know.” Around that time, Ms Arntz’s brother Thomas Arntz says that Mr Kohberger had a personality shift.