Scant paper trails, as well as accounts from a few neighbors and friends offer a fragmented portrait of a lonely, embittered man for whom dancing may have offered a rare reprieve from an otherwise empty life.

California is still reeling from an earlier attack on a Lunar New Year celebration in Monterey Park that killed 11 and cast a shadow over an important holiday for many Asian-American communities.

The shooting on the eve of Lunar New Year, an important holiday for many Asian cultures, shattered the idyllic calm in Monterey Park, a city of about 61,000 just east of downtown Los Angeles.

The death toll rose to 11 on Monday after one of the 10 who were wounded died.

He paid four men to shoot at the homes of two county commissioners and two state legislators, police say.