The Hillary Clinton campaign disavowed support from the father of ISIS-inspired Orlando nightclub gunman Omar Mateen late Tuesday.

A campaign official told Fox News Clinton disagrees with the views of Seddique Mateen, who made a startling appearance at a Clinton rally in the Orlando area Monday. Mateen was seen cheering her on and waving an American flag in the background as she paid tribute to victims of his son’s terror rampage.

WPTV first noticed Mateen’s presence in the crowd. He told the station that Clinton was “good for national security” and “gun control laws.”

Though Mateen claimed he had been “invited” to the rally in Kissimmee, he also suggested the invitation may have come in the form of a mass email.