You can't lie with numbers that are easily provable.
When you can draw arbitrary borders, you can make the numbers mean whatever you want.
https://en.wikipedia.org/wiki/List_of_United_States_cities_b...
And you'll see that Washington D.C. doesn't make the top ten for rates of any of the major violent crimes (murder, rape, etc.) nor for the "Total" violent crime.
Climate change would like a word with you.
Once you concede on that, could you say what homicide level requires a police state as a reaction? It would appear to be within a factor of two of the present numbers, but I can't work out where the line would be.
Population does matter somewhat but not really in this case. If you’re invading a city because crime is high it only makes sense to do if it’s high in absolute numbers; otherwise you’re not really having much impact.
Also half of DC actually lives in MD and VA.