That's a lot of concrete and paving, how have you sorted out access into the dungeon? False floor? Trap door? Did you rig up the air circulation system? Can't have your "guests" suffocating. Well, not unless they have misbehaved #ballgag
Why didn't he use his burds phone to make contact straight away? He's feelin guilty so finally gave in and contacted ye. I'd punch him in the mooth if I were your