Cavalcade by Walter Satterthwait

Cavalcade is Walter Satterthwait‘s third mystery featuring the two Pinkerton detectives, Phil Beaumont and Jane Turner, following Escapade and Masquerade. With the Paris case solved, Phil and Jane head to Germany in 1923. Why Germany? It seems someone took a pot shot at a rising politician, Adolf Hitler, when he was in Berlin for a…