India, May 18 -- FBI on Sunday stated that investigators feel they have identified Guy Edward Bartkus as the culprit in the bombing outside a reproductive clinic in Palm Springs, California, stressing that the 25-year-old man had "nihilistic ideations."

During a press conference, FBI Los Angeles field office assistant director Akil Davis told reporters, "We are fairly confident that Mr. Bartkus is our primary suspect."

"The subject had nihilistic ideations, and this was a targeted attack against the IVF facility. Make no mistake. We are treating this... as an intentional act of terrorism."

On Saturday, a bomb exploded in or close to a car parked outside the American Reproductive Center clinic just before 11 a.m. local time.

The explos...