The 23-year-old reality star disclosed he was nine years old when he was molested by his older sister's friend. Baltierra detailed the incident in new book Conquering Change, which he co-authored with fiancée Catelynn Lowell.
"It was sex act after sex act after sex act," he recalled in the memoir. "It went on all day. She had us do everything she could think of, one thing after another... I didn't know what the hell had happened."