A day after Austin police filed an arrest warrant for Cody Wilson, the man at the center of the nationwide 3D-printed gun controversy, the U.S. Marshals Service turned to the public for help in locating him.

Cody Wilson, 30.

U.S. Marshals Service

Wilson, 30, has been accused of sexually assaulting a 16-year-old girl he met on SugarDaddyMeet.com in August, and paying her $500.

Austin police Lt. Troy Officer said Wednesday that Wilson’s last known whereabouts was in Taiwan. While he couldn’t say why Wilson had left the United States, Officer said police knew someone had told Wilson the girl he is accused of assaulting had talked to police about the incident.

Austin police reached out to the Marshals Service’s Lone Star Fugitive Task Force, a special group composed of local, state and federal law enforcement, to find Wilson.

Anyone with information about Wilson’s whereabouts is asked to call the U.S. Marshals Tip Line at 512-800-4213.

READ MORE: Police say maker of 3D-printed gun had sex with teen, may be in Taiwan