The FBI believes the suspect in the Palm Springs explosion left behind "anti-pro-life" writings before carrying out the attack, officials said.

Guy Edward Bartkus, 25, is the primary suspect in the bombing at American Reproductive Centers in Southern California. The bombing left four people injured, and Bartkus died in the explosion that has been called an “intentional act of terrorism,” according to the FBI.

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 suspect, 25-year-old Guy Edward Bartkus, was killed in the Palm Springs blast, authorities say, and left behind 'anti-pro-life' writings after he tried to livestream the bombing and died

Guy Edward Bartkus, 25, is allegedly responsible for bombing a fertility clinic in Palm Springs, California. He was reportedly a self-proclaimed "pro-mortalist" and left behind "anti-pro-life" writings.

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.

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.