Jenny motioned for the rest of the team to stay put while she snuck ahead, hoping to determine the source of the movement. Rose hoped they could trust Jenny not to shoot anyone, especially since that tended to be loud... But she wouldn't be surprised if the Doctor ignored the girl's orders and followed along behind her.
Rounding the corner to enter the darkened room was a man carrying a small bag. Luckily, he was alone, and wasn't expecting anything. Jenny took him down with little struggle, her elbow slamming into his chest and knocking him to the floor.
She pulled the man forcefully up into a sitting position, standing over him threateningly. "We're looking for the Doctor," she told him through clenched teeth. "Skinny guy, short hair, big ears.. Seen him?"