A killer’s sister agonizes over whether to protect him or turn him in.

Jessi Toronjo went to a sleepover in 1989 thinking her stepbrother, Jeffrey Pelley, was at his senior prom. She spent the next 13 years believing someone else committed the unspeakable…

Kat Harris and Marla Kreuger love Lawrence Harris each in her own way; they dismiss his dark obsession as childish and strange, but harmless; neither of them realize he is…