Should be no surprise.
Check it out:

Sunday The Wall Street Journal crunched the numbers on America’s startling new crime wave (after a two-decade decline) and listed seven cities that have seen noticeable, and sometimes shocking, spikes in murders and other violent crimes.

Seven cities were worthy of note. To no one’s surprise, all seven of those cities are run by Democrats. With the exception of New York City, Democrats have enjoyed one-party rule in these cities for decades.