When Commissioner Ralph Weston is Talking to Victory Jory / Lamont Cranston in Cranston's lab, Cranston suggests Commissioner Ralph Weston release captured prisoner Williams. When Lamont Cranston goes to cabinet his right hand is on the knob to open cabinet door. When Commissioner Ralph Weston walks past to exit, Cranston's left hand is now on the cabinet door.
The Black Tiger's gang stages an attack on a telephone facility by setting a truck on fire and driving it into the "Powder House" to set off the explosives. It is never explained why a telephone company would have a Powder House on the property with their other equipment.