The father of the man responsible for the mass shooting at Pulse nightclub earlier this summer attended a Hillary Clinton rally in Kissimmee on Monday.Seddique Mateen told WPTV that he’s a member of the Democratic Party and got an invitation to the rally at Osceola Heritage Park Exhibition Hall like everyone else.Mateen said he supports Clinton’s stance on gun control.>> Complete coverage of the Orlando nightclub massacre“I spoke a lot about that and wish that my son joined the army and fought ISIS. That would be much better,” he said.Mateen said that his family is cooperating with the FBI’s investigation into the June 12 shooting.An official with the Clinton campaign said, "The rally was a 3,000-person, open-door event for the public. This individual wasn't invited as a guest and the campaign was unaware of his attendance until after the event."

The father of the man responsible for the mass shooting at Pulse nightclub earlier this summer attended a Hillary Clinton rally in Kissimmee on Monday.

Seddique Mateen told WPTV that he’s a member of the Democratic Party and got an invitation to the rally at Osceola Heritage Park Exhibition Hall like everyone else.

Advertisement Related Content Hillary Clinton holds rally in Kissimmee

Mateen said he supports Clinton’s stance on gun control.

>> Complete coverage of the Orlando nightclub massacre

“I spoke a lot about that and wish that my son joined the army and fought ISIS. That would be much better,” he said.

Mateen said that his family is cooperating with the FBI’s investigation into the June 12 shooting.

An official with the Clinton campaign said, "The rally was a 3,000-person, open-door event for the public. This individual wasn't invited as a guest and the campaign was unaware of his attendance until after the event."