When Mr. Rycheck is using a device to trace a call's destination, the call's origin is traced to a place on 'Excelsier Avenue'. 'Excelsier' should be spelled 'Excelsior'.
Captain Bridges enlists the help of a police sergeant to pose as a Ukrainian official. In doing so, he threatens to send a suspect to Vladivostok. Vladivostok is not a city in the Ukraine.