Lois Castle committed suicide. (Hint: Who)
She committed suicide at home. (Hint: Where)
She committed suicide with a revolver. (Hint: What)
They heard a single gunshot. (Hint: How)
They were about to knock on her door. (Hint: What)
They were there to arrest her. (Hint: Why)
They were about to arrest Lois. (Hint: Whom)
Lois murdered her stepdaughter. (Hint: Whom)
She was going to be arrested. (Hint: What)
A month earlier she had been interviewed. (Hint: What)