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Technology

Identifying a killer: Exclusive look at how high-tech ATF lab helped solve murder of CPD officer

Mark Thompson
Reporter · Friday, November 6, 2026 at 1:11 AM · 1 min read
Identifying a killer: Exclusive look at how high-tech ATF lab helped solve murder of CPD officer
       — Northbrook Technology news

The ABC7 I-Team got a rare glimpse at how the Bureau of Alcohol Tobacco, Firearms and Explosives helped CPD solve the high-profile murder of Chicago Police Officer Aréanah Preston.

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