Threat Alert Black

GS Clone #48 ran into room with his weapon drawn, expecting he would have to use it, given the threat level. Instead he found an empty room.

Maybe the alert was wrong? Maybe it wasn't meant to be this high, maybe... Wait, there's a body behind the-

GS Clone #49 was more cautious, reviewing the holofootage first before entering the supposedly empty room, just seeing the flash of metal-

GS Clone #50 instigated Emergency Protocol CM3, and once GS Clones #51 and #52 were printed, they entered the room, and finally captured GS Prime and returned him to the booth.