I'd be interested to see the crime stats from the last year to today - from the sentiment I've seen on social media it appears violence has been increasing since the Jul 2 your source article was posted. Add to that they slashed the police budget on Jul 1[1] I think the OP may have a valid point.
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[1] - https://www.cnn.com/2020/07/01/us/new-york-budget-nypd-1-bil...