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Tucson Investigators Use DNA Tech to Identify Suspect

2/19/2026

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Summary

Story summary

Investigators in Tucson are using a high-tech deoxyribonucleic acid (DNA) tool to identify a suspect in a recent case.
The DNA technology has been effective in solving high-profile cases in the past.
In addition, investigators are conducting door-to-door inquiries and questioning gun shop owners about recent sales.
NBC News’ Liz Kreutz reports on the ongoing efforts as of February 18, 2026.

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Story summary

Investigators in Tucson are using a high-tech deoxyribonucleic acid (DNA) tool to identify a suspect in a recent case.
The DNA technology has been effective in solving high-profile cases in the past.
In addition, investigators are conducting door-to-door inquiries and questioning gun shop owners about recent sales.
NBC News’ Liz Kreutz reports on the ongoing efforts as of February 18, 2026.