IIRC the NYPD carried S&W Model 10s well into the 'modern' age....
And didn't practice with or clean them...
It took the death of a rookie cop by the name of Scott Caddell Who was shot in the head while reloading his revolver, The perp had a semi automatic high-capacity 9 mm handgun. After his death they were issued speed loaders and the cops wanted semiautomatic handguns . It took seven years for them to get issued semiautomatics 1993,first was the transit Authority cops, that forced Commissioner Kelly to issue semiautomatics to the NYPD and housing.