Conservative activist Charlie Kirk died Wednesday after he was shot at an event at Utah Valley University. Officials say a suspect is now in custody.

An at-large suspect dressed in all-black tactical gear fired a single shot at Utah Valley University, and Charlie Kirk later died of his injuries, officials said. Dispatch audio reviewed by PEOPLE included the suspect’s description.

Kirk was a controversial figure, and in light of his passing, many of his most talked-about quotes and beliefs are being resurfaced online. Here are 14 moments of Kirk’s that are going viral once again:

Christian nationalists suggest that Charlie Kirk was killed for his religious and political beliefs, and some are calling for revenge.

Conservative commentator Charlie Kirk has died at age 31 after being shot at an event at Utah Valley University on Wednesday. “It’s with a heavy heart that we, the Turning Point USA leadership team, write to notify you that early this afternoon,

The gunman who killed Turning Point USA co-founder Charlie Kirk fired from a Utah Valley University building roughly 200 feet from Kirk's event, a university spokesperson said Wednesday. The spokesperson, Ellen Treanor, said the shot came from the Losee Center about 20 minutes after Kirk began speaking.

Turning Point USA was founded in 2012 by Kirk and Bill Montgomery. Kirk met Montgomery, a retired businessman, after Kirk gave a speech at a conservative youth summit in Illinois. Montgomery urged him not to pursue college but to instead dedicate himself fully to building a youth conservative movement.

Charlie Kirk was remembered fondly by supporters who turned out in Phoenix to honor the slain conservative activist. But he died a polarizing figure.

The FBI's person of interest in the Charlie Kirk Case has been identified after reportedly turning himself in, and social media is goign off.