The beating of Bryan Stow

Family members of Giants fan Bryan Stow, who was attacked at Dodger Stadium on opening day, attend a news conference outside County-USC Medical Center. From left: Stow’s uncle John Devitt; mother, Ann Stow; sisters, Bonnie and Erin Stow; and father, Dave Stow.  (Nick Ut / AP Photo)

News vans camp out on the quiet Rialto cul-de-sac where two suspects in the beating of San Francisco Giants fan Bryan Stow were arrested Thursday morning. Story  (Irfan Khan / Los Angeles Times)

LAPD Chief Charlie Beck held a news conference Friday afternoon to announce that the two men, Louie Sanchez, 29, and Marvin Norwood, 30, have been charged with assault and mayhem in connection with the attack in a Dodger Stadium parking lot. Story  (Bob Chamberlin / Los Angeles Times)

Beck said the department no longer believes Giovanni Ramirez had anything to do with the Dodger Stadium beating. “In policing, it is just as important to exonerate the innocent as it is to implicate the guilty,” he said. Story  (Bob Chamberlin / Los Angeles Times)

Laurie Condren, of San Jose, collects donations for Bryan Stow and his family before the Giants-Dodgers game at AT&T Park in San Francisco.  (Jed Jacobsohn / Getty Images)

Mia Ochoa, 6, drops off cash as a donation for Stow at Dodger Stadium. The Dodgers collected donations for the beating victim and also made an undisclosed contribution to the family.  (Damian Dovarganes / Associated Press)

Jamey Carroll speaks about Bryan Stow before the Dodgers play the Giants in San Francisco.  (Jed Jacobsohn / Getty Images)

The Giants’ Jeremy Affeldt shakes hands with Jamey Carroll of the Dodgers after Carroll addressed Giants fans at AT&T Park.  (Jed Jacobsohn/Getty Images)

The Los Angeles Police Department, including the LAPD mounted unit, increased its presence at Dodgers games following the brutal beating.  (Kevork Djansezian / Getty Images)

Accompanied by Los Angeles Mayor Antonio Villaraigosa, LAPD Chief Charlie Beck announces the charges filed against Sanchez and Norwood. Story  (Bob Chamberlin / Los Angeles Times)

LAPD officers stand watch at an entrance to Dodger Stadium.  (Kevork Djansezian / Getty Images)

L.A. police officers have their base beneath an appropriate sign in the Dodger Stadium parking lot.  (Genaro Molina / Los Angeles Times)

Billboards around Los Angeles carried the likenesses of the suspects in the March 31 beating as police sought leads.  (Kevork Djansezian / Getty Images)

Los Angeles Police Department cadet Christian Ibarra hands out fliers before a Dodgers-Giants game in Los Angeles. Police received hundreds of tips from anonymous callers and chased leads that resulted in dead ends. Several potential suspects have been questioned and released. Sunday morning, police took into custody a man they believe is one of two suspects being sought, sources say.  (Mark J. Terrill / AP Photo)