Episode 32 of "Numb3rs"
s02e19 Dark Matter
Title: Dark Matter
Original Air Date: 04/07/2006 on CBS
Plot Outline:
Don and his team investigate a school shooting only to be surprised with one of the suspects. As Don and his team investigate the motive behind two students' deadly school shooting, Charlie uses the school's radio frequency identification system to track the shooters' movements through the school's hallways. But when Charlie notices an abnormal pattern, Don and his agents reevaluate the evidence and discover an unlikely third participant.
