Petra Garcia lights candles during a candlelight vigil, Thursday, Sept. 20, 2012, in Las Vegas to remember the four people killed and seven others injured by a 23-year-old man accused of driving under the influence into a Las Vegas bus stop last week. Marijuana and less than the legal limit of alcohol was found in the blood of Gary Lee Hosey Jr., who is due for arraignment on Friday. (AP Photo/Julie Jacobson)