A tip from a parole officer led to the arrest of one of the suspects in the attack on a San Francisco Giants fan outside Dodger Stadium after the rival teams' season opener, a brutal beating that prompted an outpouring of support for the victim and outrage in the sports world and beyond. Police say Giovanni Ramirez, 31, is the suspect accused in the March 31 beating that left Bryan Stow with brain damage. Ramirez was booked for assault with a deadly weapon and is being held on $1 million bail. Ramirez is believed to be the "primary aggressor" in the Stow beating, Los Angeles Chief Charlie Beck said at an afternoon news conference at the stadium. Read more: http://sports.espn.go.com/los-angeles/mlb/news/story?id=6575516