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.

An FBI official said on Sunday the bureau believes it has identified the suspect connected to a bombing near a fertility clinic in Palm Springs, California, as 25-year-old Guy Edward Bartkus, and that he held "nihilistic" views.

Officials said Guy Edward Bartkus, 25, targeted the fertility clinic in the bombing that damaged the facility and injured four people.