The Los Angeles druggie accused of murdering “American Idol” executive Robin Kaye and her husband once tried to stab his own mother during a mental health episode, according to frightened

Robin Kaye was with “American Idol” for more than 15 years and was working on the upcoming season at the time of her death.

Charges have been filed against the man suspected of killing an "American Idol" music supervisor and her husband in their Los Angeles home.