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.

He said that he chose to attack a fertility clinic because he held particular contempt for those who go to great lengths to have children.

Bartkus was identified as the key suspect by the FBI on Sunday, after his body was discovered near a burned-out vehicle outside the clinic. He had reportedly attempted to livestream the explosion, with a camera found set up on a tripod nearby, although no footage was uploaded online.

The FBI declared a “blast zone” and cleared residents in the Twentynine Palms neighborhood over concerns that bomb-making materials could be inside a home.