 The Knapp Commission (in the 1970s) and the Mollen Commission (in 1994) led to reforms within the NYPD aimed to improve police accountability.However, in recent years, possible causes such as low salaries and declining morale, many more off-duty NYPD officers are being arrested and charged in and outside the city for crimes ranging from drunk driving to homicide.During the Knapp Commission, the investigation didn't involve the CCRB as they independently investigated into matters.