He swept the room with his pulse gun, before moving up to the door, ignoring the light sources. He was more interested in finding people before they became corpses than in where the light was coming from. The drone, naturally, was bumping against the lights, warbling to itself. He ignored it, and opened the door, sweeping the corridor ahead before moving to the next door. He checked the hallway to the end, before coming back to the first door, and opening it, looking for trouble.