City News ServiceLOS ANGELES - A security guard who worked the night Bryan Stow was attacked and suffered brain damage in a Dodger Stadium parking lot after a game in March 2011 testified today that his supervisor told the crew to go home after receiving a report of the beating.Testifying in Stow's negligence suit against former Dodgers owner Frank McCourt and Los Angeles Dodgers LLC, Jerome Heavens said he also was advised during an earlier briefing that there would only be about half of the the needed 300-member security force present for the opening-day contest on March 31, 2011.