Q: In this task, you're given the title of a five-sentence story and the first four sentences. Your job is to write the last sentence of the story such that it seamlessly connects with the rest of the story.
Title: Autistic Lives Matter. Sentence 1: Billy was happily playing with his toy truck in the street. Sentence 2: Someone called the cops on the autistic adult. Sentence 3: Billy's therapist tried to calm the situation down. Sentence 4: One of the cops shot the therapist.
A:
He later apologized, explaining he was aiming for Billy.