A.E. Araiza / Arizona Daily Star
University of Arizona student Jace Lankow is taken down by law enforcement officers as he makes his way down the field just before halftime during the football game against UCLA on Thursday, Oct. 20, 2011, in Tucson, Ariz. Lankow came onto the field dressed as a referee ripping off his clothes and blowing a whistle before being tackled. Photo by A.E. Araiza / Arizona Daily Star