LA police as motive look at jealousy in CNY shooting

Found at suspect's home are items that indicate he was making weapons silencers

Investigators collected 42 bullet casings from the scene of one of California's bloodiest mass shootings as they sought clues on Monday to what drove an elderly gunman to open fire in a dance hall he had frequented, killing 11 people, before taking his own life.

Police identified Huu Can Tran, 72, as the lone suspect in a massacre that unfolded on Saturday night in the midst of a Chinese New Year celebration in the city of Monterey Park, a hub of the Asian-American community just east of downtown Los Angeles.

The authorities said he drove to another dance hall where a second, would-be attack was thwarted, and later shot himself to death in his parked getaway vehicle as police closed in to make an arrest on Sunday, ending an intense manhunt some 12 hours after the rampage.

Ten people were killed and 10 others wounded when Tran opened fire at Star Ballroom Dance Studio, a venue popular with older Asian-Americans, then drove off. One of the victims hospitalised in critical condition died of his wounds on Monday, Monterey Park police chief Scott Wiese told reporters.