Authorities are investigating what appear to be radical views the Palm Springs bombing suspect expressed online in the months before Saturday’s attack. Here is what we know.

A 25-year-old man the FBI believes was responsible for an explosion that ripped through a Southern California fertility clinic left behind “anti-pro-life” writings before carrying out an attack

Guy Edward Bartkus was identified as the suspect accused in the bombing targeting a Palm Springs, CA, fertility clinic, and authorities are investigating a possible manifesto, according to the FBI. The bombing occurred on May 17,

The man suspected of bombing outside a California fertility clinic was allegedly “pro-mortalist,” according to reports.

Guy Edward Bartkus has been linked to the Palm Springs explosion. He allegedly mentioned Sophie Tinney, a woman who died from gunshot wounds, on his website.