>> we all have someone in our office who think could be that guy. this is a video of that guy going mad in the office. ♪ >> tina from accounting is down. this one definitely had me. >> immediately, i thought it was fake, because a lot of these are fake. the thing that made me think that it was real is this chick right here. she caught what looked like a monitor in the head. and i was like, if this was not real, they would have been, like, all right, stop. >> everyone wants to believe this is true because everybody hates their boss and everybody hates that printer. everybody hates tina from accounting. those damn halogen lamps. >> yeah. i was like, wow, this guy is really pissed. that guy's 401(k) did not look the same this morning as it did yesterday. >> find out if it's real or fake when "caught on camera" returns.