Man placed in psychiatric facility James Nash House following violent attack on mother

A man who attacked his mother “with an extraordinary level of violence” believing she was an alien in disguise will spend more than a decade in a secure psychiatric facility.

The man — who cannot be identified for legal reasons — was found not guilty of attempted murder by reason of mental incompetence in the South Australian Supreme Court last year.

He was suffering a psychotic relapse and had delusions that his mother had been taken by alien forces when he attacked her in her…