DNA

Mar 13 2026CRIME

Kidnapper’s Motive Hinted, Still No Arrest

The investigation into Nancy Guthrie’s disappearance has reached a new stage, with law‑enforcement officials suggesting they have an idea of why the abduction occurred. Sheriff Chris Nanos, who leads the effort in Pima County, told reporters that authorities are “pretty sure” the crime was a targete

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Feb 26 2026CRIME

Family Calls for Mother’s Return Amid Kidnap Rumors

Savannah Guthrie shared a short video on social media, standing beside her brother and sister. She said the family had received a mysterious message from the person who allegedly took their mother, Nancy Guthrie. “We got your note, ” she told viewers. “Please bring her back so we can be together aga

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Feb 26 2026CRIME

Cold‑Case Break: 81‑Year‑Old Arrested Over 30‑Year‑Old Murder

A murder that shocked a German town in the mid‑1990s finally has a suspect. In 1994, the body of Amy Lopez, a 24‑year‑old student from Texas, was found near the Ehrenbreitstein Fortress in Koblenz. Children had discovered her partially naked, badly bruised head and multiple stab wounds. The cri

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Feb 24 2026CRIME

Masked Man Seen Near Nancy Guthrie’s Door Before Disappearance

Nancy Guthrie, 84, vanished from her Tucson home after January 31. Authorities found a masked figure on doorbell footage taken the morning she was believed to have been taken. The FBI released photos and video showing a man tampering with the camera; he was described as 5‑9 to 5‑10 tall, average bui

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Feb 18 2026SCIENCE

How Tiny Heat Waves Can Spot Proteins

Proteins are like tiny messengers in our body. They play a big role in diseases, drugs, and research. So, spotting them quickly and accurately is super important. There's a cool new way to do this using something called microscale thermophoresis (MST). It's like a heat wave that helps us see these p

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Feb 16 2026CRIME

A Glove, a Glimpse, and a Grandmother Gone

In the quiet of a Tucson neighborhood, a single glove has become a crucial clue in the mysterious disappearance of 84-year-old Nancy Guthrie. This isn't just any glove; it's one that might be linked to a masked figure caught on camera near her home. The FBI has confirmed that DNA from this glove cou

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Feb 16 2026CRIME

Justice Delayed but Not Denied: A Killer Brought to Book 33 Years Later

A brutal crime from 1993 finally saw justice in 2024. A 53-year-old man, Dana Shepherd, was sentenced to 45 years in prison for the rape and murder of a young art student, Carmen Van Huss. This case was solved using advanced DNA technology that matched the suspect's DNA to his relatives' DNA in a da

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Feb 14 2026CRIME

Seeking the Masked Man: A Clue in the Nancy Guthrie Case

In the search for 84-year-old Nancy Guthrie, the most important clue is a video of a masked man. This man was seen messing with her doorbell camera just before she went missing. The sheriff in charge of the case says this man is the key to solving the mystery. The video shows a man with a ski mask,

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Feb 13 2026CRIME

Local Sheriff's Choice Slows Down FBI's Help in Missing Person Case

A local sheriff's decision to use a private lab instead of the FBI's resources is causing delays in solving the case of a missing elderly woman. The FBI wanted to analyze key evidence, like a glove and DNA samples, at their advanced lab in Virginia. But the Pima County Sheriff, Chris Nanos, chose to

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Feb 11 2026CRIME

Neighbors Scramble to Find Nancy Guthrie, Police Dig Into Video Clues

A neighbor of Annie Guthrie’s house says police asked to look on his property after the FBI visited. The sheriff’s crew has been walking the streets, knocking on doors and asking for permission to search, while many residents seem willing to help. A truck from the Pima County Search and Rescue unit

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