You said the data don't back up my claim. My claim was that they did not "skyrocket". Now the goalposts have been moved to "rise substantially," which can mean anything. Even the increase in 2006 from 539 to 596 murders (more than 10%) could be considered "substantial," it's a meaningless term.
If you don't think the media and the public outcry about this has been extremely overinflated (including comparing crime rates to the 90s), then I don't think we have much to discuss here. The graphs in the sources I link make it pretty clear that the bump in crime is insignificant compared to the historical crime rates in NYC. And based on your comment history, you're clearly pretty partisan to one side of the issue, so I don't think there's much to be gained for either of us by continuing this. I find it particularly ironic that you complain about mainstream media coverage of Trump, but find it impossible to believe the media could be exaggerating crime rates.