 Big Dave Brewsters store "Nirdlingers" is a reference to the  female character in James M. Cain (qv)s book "Double Indemnity".  The County Examiners name is Diedrickson, which is phonetically the  same characters name in the film version  (_Double Indemnity (1944)_ (qv)). The name in the film version is  Dietrichson.