Report: James Holmes Was on Prescription Drugs at Time of Shooting 61.54K Taylor Berman 07/20/12 07:18PM Filed to: Dark knight shooting Dark knight shooting James holmes Colorado shooting Aurora shootings tragedies Vicodin Tweetg "First responders to the Aurora theater shooting at first thought the shooter was a fellow officer, and the shooter had taken 100mg of Vicodin about two and half hours before the shooting, according to information from sources." [ABC 7 News Denver]