The article takes the data as gospel but the sources are not disinterested. There are significant trends in both the probability of crime and of a crime being reported. And there have been recent significant changes to how those stats are collected. If you see a clear signal in the data it may be because you haven't had a chance to spelunk into the details.
The link you provide is from a political advocacy group largely funded by corporate donors. The front page of the journal principally comprises anti-diversity & crime trutherism articles. It's conservative, but even that conservative bent is narrowly focused to agitate against the fall in crime rates and against any diversity effort.
https://www.city-journal.org/article/urban-crime-wave