The man authorities allege set off a deadly car explosion outside a California fertility clinic left behind chilling online writings

Authorities identified the suspect in the explosion at a Palm Springs, California, fertility clinic as Guy Edward Bartkus, 25, of Twentynine Palms, saying at a news conference Sunday that he is the man suspected to have died in the bombing that injured four other people.

Here's the latest on the suspect in "one of the largest bombing investigations we've had in Southern California," according to the FBI.