Justin Sebik was a contestant on Big Brother (US) in 2002. He was expelled from the house on Day 10 for holding a knife to fellow houseguest Krista Stegall's neck and asking if she "would be mad if [he] killed [her]." As well as threatening the other houseguests.

On January 7, 2002, Justin was arrested for assaulting his girlfriend, resulting in her sustaining a broken ankle and choke marks around her neck.