By the beginning of 1923, however, Kaplan began to face increasing competition from rival newcomers Jacob "Little Augie" Orgen, Jack "Legs" Diamond, Louis "Lepke" Buchalter, and Gurrah Shapiro.
By the beginning of 1923, however, Kaplan began to face increasing competition from rivals. Prominent among his gang were Jack "Legs" Diamond, Louis "Lepke" Buchalter, and Gurrah Shapiro.