Rolf just shook his head. I don't know yet. I'm going to Central Tower to run a test on this fingerprint. See if it matches those found on the victim's neck. Maybe the victim was able to attach the arm before being strangled, and then the Finis itself removed the arm so as not to be a suspect.
Androids are docile when obedient but ingenious when insane.
I'll be back in an hour. Ermit waved good bye and Rolf disappeared down the street. Rolf came back less than forty minutes later. The door to the shop was still unlocked. Bells over the door rang, but there were no other sounds.