Indeed. Homicide spreads like a disease among people who are in connected social graphs. https://www.chicagomag.com/city-life/december-2013/the-small...
The pilot had a homicide reduction of 30% iirc but we will see over time as it expands to whole city how it plays out
In the same way that being served with a lawsuit means likely to spending some time with lawyers or in court, a low-level criminal being shot indicates that his coworkers in the enterprise are likely to spend some time in shootouts.