Gronk
Gronk thinks he might see some figures down the hallway, but he's not sure... his eyes and ears are still cloudy from a distinct lack of quality sleep.
Spoiler
Time for my abysmal Listen - (1d20-5)[-4] and Spot - (1d20-5)[-4] checks. (Yea, flaws!)
Edit: Oh yes, that is indeed a pair of natural "1"s...