To Kill an Angel (s01, e07)

Season 1 | Episode 7 – Episode aired 10 November 1976

A young autistic boy named Skip that Kelly has been acting as a volunteer big sister to finds a gun and accidentally shoots her with it. He then panics and runs away. Sabrina and Jill try to find the boy, who is collecting various items that he thinks will awaken Kelly. Also on the boy’s trail are a pair of killers who think that Skip might have witnessed their crime.