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External Processing

John K. Roman
Tens of paid subscribers

Thinking out loud about fear and facts

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Substack
PricingFreemiumPublishesWeekly
Issues91Founded6 years agoLast Issue12 days ago
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johnkroman.substack.com
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Latest Issues

You Don’t Have to Call It Crime Prevention to Prevent Crime

Last week, the Council on Criminal Justice released a report with a self-explanatory title: What’s Driving the Homicide Decline? An Assessment by Leading Researchers. I was happy to be included in the meeting that produced the report and to...

12 days ago
5
1

Ranking 30 Cities on Homicide and Violence

I have written a few times about how big cities rank on homicide rates, and how those rankings change over time. There are several strong and valid objections to ranking cities. One objection is that fixed attributes of places affect crime...

15 days ago
2

Using near misses to estimate p(doom) in AI

Lessons from crime policy research

The point I want to make in this essay is that we spend way too much time arguing about and speculating on what value to assign to p in the p(doom) equation estimating the likelihood that humans will perm...

a month ago
Paid

iCrime and Kia Boyz (Part I)

Standing at the corner of Avenue D and East 40th Street in the Flatbush neighborhood of Brooklyn, there is nothing particularly remarkable to see.

Standing at the corner of Avenue D and East 40th Street in the Flatbush neighborhood of Broo...

2 months ago
3
3
Paid

As the violence decline approaches its end, how does the ARPA explanation hold up?

Plus, responding to critics

Greetings readers. I wrote the essay below at another outlet’s invitation, but they ultimately declined to publish it. Such is life in front of a blinking cursor. Now it is yours to enjoy. But it does not have t...

2 months ago
5
Paid

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  • John K. Roman

    I write about policy, mainly public safety: what works, what doesn't, and what's promising. Opinions are definitely mine alone.

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