Adventures in Varrock/3.4

The fleet-footed accomplice manages to evade you for several minutes until you finally pin him against the wall. Fearing for his life, he squeals on where the burglar's hideout is. You spare his life, barely, and run out the door. The burglar has escaped through the window. What do you do now?

Follow him, undercover, to his hideout.

Take his accomplice's directions.