Tyler Robinson's roommate was Lance Twiggs, who was also described as Tyler Robinson's romantic partner. Lance Twiggs is a male transitioning to female (transgender) and has been cooperating with authorities during the investigation. They met while studying at Utah Tech University and shared interests such as gaming and TikTok. Lance Twiggs played a key role in the investigation by providing incriminating text messages from Tyler Robinson that helped the FBI. The roommate was reportedly unaware of the planned attack and was shocked by it. Tyler Robinson and Lance Twiggs lived together in an apartment in St. George, Utah.