The person killed in the Saturday explosion outside a fertility clinic in Palm Springs, California, is a 25-year-old from Twentynine Palms, the FBI said Sunday.

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

A vehicle bomb explosion at a Palm Springs fertility clinic killed two people and injured 22, with the FBI investigating the incident as a suspected act of domestic terrorism linked to 25-year-old Guy Edward Bartkus of Twentynine Palms.