The Elusive Sweizer (Face To Face With The Master-Spy)
Written by
Edgar Wallace
Copyright 1918
Adventure #8 in the collection . First published in Thomson's Weekly News 07/13/1918
A bit of rivalry goes on between Major Haynes's Counter-Espionage Department and the police's International Department over the actions of a German agent named Sweizer and how he managed to disappear when his apartment building was surrounded.