On the Recently Released F.B.I. Crime Statistics Failing to Include the Data from Major Metropolitan Regions Such as New York, Los Angeles, and Philadelphia - https://nypost.com/2022/10/05/new-fbi-national-crime-data-released-with-major-holes-in-nyc-la/

Yeah, it seems as if the new system is voluntary and so the failure to comply here is either institutional laziness or corruption (the data without these areas participating shows a 1% decrease in violent crime in the U.S. and you gotta' think that the pols would love to retain that number) and neither one sounds good, does it?