From here

There are more pictures, texts, and emails about the younger Biden’s business deals, drug use, sex life, and family relations. Hunter referred to his stepmother, first lady Jill Biden, as a “vindictive moron.” There’s a contact nicknamed “Pedo Peter,” which appears to refer to his father: Joe Biden often used the alias “Peter Henderson,” the name of a character in a Tom Clancy novel, when he traveled.