NBC Nightly News with Tom Llamas Tuesday, February 17, 2026
7 snips
Feb 18, 2026 New DNA leads and tech company assistance in a high-profile missing person investigation. A Capitol security scare involving tactical gear and a loaded firearm. Western winter storms causing deadly crashes, avalanches, and travel chaos. A tragic shooting at a Rhode Island hockey game and community response. A massive Potomac sewage spill and its long cleanup timeline.
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Shifting Forensic Focus In Guthrie Case
- DNA from a glove found two miles away did not match national databases or the victim's property DNA.
- Investigators now focus on DNA found inside Nancy Guthrie's home and high-tech leads like signal sniffers and video clues.
Prioritize Careful DNA And Tech Procedures
- Investigators are prioritizing video analysis, retailer leads, and specialized tech tools to narrow suspects.
- Use genealogy and CODIS submission only after separating mixed DNA to avoid false leads, the sheriff warned.
Big Tech Steps In To Aid Investigation
- Major tech companies and individuals like Mark Zuckerberg and Apple have reached out to assist investigators.
- Large private-sector support can provide specialized recovery and organizational tools for complex evidence.