The effort will wipe felony convictions for 22,000 people and misdemeanors for 15,000 in Los Angeles County.
The three—who could face state prison terms if convicted as charged—are due back in a Torrance courtroom Friday.
Police said she was stabbed at Catch One, a popular nightclub in the Arlington Heights area of Los Angeles.
The situation started early Friday morning when officers headed to a call about a burglary in progress at a restaurant in Palm Springs around 2:39 a.m.
Dayvon Taylor of Long Beach was taken to St. Mary Medical Center in Long Beach Thursday and died shortly after he arrived, according to officials.
Detectives arrested Benjamin Green on suspicion of attempted murder, assault with a firearm and second-degree robbery after they served a search warrant at a home near the Compton-Long Beach border.
Police said they got a call saying the man was throwing rocks and refusing to leave around 6:55 p.m.
Police on Tuesday arrested a Long Beach man on suspicion of attempted murder stemming from an Oct. 12 shooting in North Long Beach.
James Mays, 53, was booked on suspicion of murder in connection with the Sept. 7 killing of 41-year-old Anthony Durr at a homeless encampment, according to the Long Beach Police Department.
Police received three reports of a man committing lewd acts in public near two local elementary schools.