As horrified workers ran from the crowded office, Russellville police officers Troy Robinson and Mitch Hampton searched for the disgruntled employee who was armed with a gun. Within minutes, Hampton and Robinson found the man and ordered him to place his two guns on the ground. He complied. The madness as simulated as it was was over. The scenario was part of Russellville Police Department training Thursday in Bowling Green. They have no idea whats going to happen to them, Russellville police Maj. Larry Jones said as he watched his officers participate in training with the high-tech Firearms Training System. Were using it for a lot of different training purposes. FATS, as the system is known, lets officers use a video-projection system to face a simulation of a potentially dangerous scenario. The officer reacts to the video as he would in a similar real-life situation, and a computer system judges his reaction, telling him the scenes outcome and how he should have responded. The person controlling the system can program in multiple outcomes, including the suspects compliance or noncompliance with officers commands. The system is so realistic that officers can feel the recoil of a gun and hear gunfire, screaming and cursing from the people in the video. Situations can be altered to happen night or day, in rain, snow or wind, Jones said. Police also can use the system for standard and pop-up target practice. Officer Clarence Mason, a three-year veteran of the Russellville police force, watched events unfold for his fellow officers on the 10 p.m. to 6 a.m. shift while waiting his turn. Though the system resembles an elaborate video game, police take it all quite seriously, he said. You can make your mistakes here, but you cant out there, so this helps out, Mason said. You cant relax until you get the situation under control. Officers are expected to make spilt-second judgment calls, depending on how the situation unfolds, about whether to use force ranging from pepper spray to firearms, Jones said. Each scenario can be replayed for study or critique by supervisors and the replay shows where bullets or pepper spray would have landed, Jones said. The League of Cities-owned system is loaned out to allow for law enforcement training.