Police collaboration has nabbed two men 21 and 28 and a woman 21 in connection with the defacement of GO train coaches both inside and outside on the east line. Pictures released by Metrolinx show mischievous scribbling on several cars. An undercover operation involving Toronto and Durham police led to the arrests, according to Metrolinx spokesperson Anne Marie Aikins. Suspects were seen on security cameras and cops were able to figure out their movements and lay in wait. They call their arrest circumstances a stakeout.