Like almost everything in the debate he did a poor job of getting facts across.
However, by 2021, less than 63% of departments spanning across 65% of the population submitted crime data. Several big cities – Los Angeles, New York City, and Chicago – did not submit crime data at all to the FBI last year.
https://www.foxnews.com/politics/fbis-data-is-faulty-as-crime-proliferates-in-big-cities-report
https://www.themarshallproject.org/2023/07/13/fbi-crime-rates-data-gap-nibrs
4 Reasons We Should Worry About Missing Crime Data
The FBI’s crime data is still incomplete — and politicians are taking advantage.