Michael Ruiz

A forensic psychologist questions the legitimacy of ransom notes in the Nancy Guthrie case but says releasing them could generate crucial new leads.

A forensic psychologist says prosecutors made a critical error by not requiring Bryan Kohberger to fully explain the Idaho student murders in his deal.

Investigators searched brush behind Nancy Guthrie's Tucson home as monsoon rains may have shifted evidence in the six-month disappearance case.

Bryan Kohberger's new attorney Greg Rauch says he hasn't yet read the case file or spoken to his client at the Idaho Maximum Security Institution.

A retired investigator says the release of ransom notes in the Nancy Guthrie kidnapping mirrors the 1995 strategy that helped identify the Unabomber.

A defense expert hired by Bryan Kohberger now says cellphone data shows evidence of stalking, but prosecutors never introduced it ahead of the guilty plea.

Pima County Sheriff Chris Nanos says he believes there's more video evidence as investigators comb through 'tens of thousands' of clips. Ransom notes released in bid to ID suspect.

Officials confirm crime in disappearance of Savannah Guthrie's 84-year-old mother Nancy, who went missing on Feb. 1 from her Tucson home, according to authorities.

Pima County Sheriff's Department released two ransom notes with a unique linguistic style, hoping someone can identify the author.

Bryan Kohberger claims his family was present during attorney-client discussions as he seeks to undo his guilty plea in the Idaho murders case.

Pima County Sheriff Chris Nanos says a judge approved the probable cause warrant before Carlos Palazuelos was detained in the Nancy Guthrie case.

DNA testing on a hair sample found in Nancy Guthrie's home returned no profile, but investigators say the sample may still prove valuable as the case continues.

Video shows two masked individuals banging on Rex Heuermann's Massapequa Park porch before fleeing while ex-wife Asa Ellerup and her children were inside.

Bryan Kohberger has been appointed a new taxpayer-funded attorney as he seeks to withdraw his guilty plea in the University of Idaho murders case.

A retired FBI negotiator says the unclaimed $1.2 million reward in Nancy Guthrie's suspected abduction is a clue in and of itself six months after her kidnapping.

A former Kohberger defense expert claims mystery hairs found at the murder scene were not Kohberger’s, raising new questions as he seeks to withdraw his guilty plea in court.

David Berkowitz says he no longer trusts the media 50 years after his first killing, declining interviews and calling himself the "Son of Hope."

Pima County Sheriff Chris Nanos says investigators are sorting through massive amounts of DNA and video evidence in the Nancy Guthrie abduction case.

Savannah Guthrie's emotional Instagram video may signal a new line of communication as she appears to appeal directly to her mother's kidnapper.

Text messages and a London permission slip emerged at D4vd's hearing as a judge cleared the case for trial in Celeste Rivas Hernandez's death.

Bryan Kohberger plans to file for post-conviction relief after pleading guilty to killing four University of Idaho students, two sources say.

Savannah Guthrie posted an emotional Instagram plea with a "very specific" message directed at whoever kidnapped her mother, Nancy Guthrie.

Elizabeth Smart says there's still hope Nancy Guthrie is alive 25 weeks after the 84-year-old's suspected abduction from her Tucson, Arizona, home.

A retired FBI negotiator says the first ransom note in the Nancy Guthrie Tucson kidnapping case is inconsistent with a typical ransom motive.

Andrew Truelove allegedly sneaked into a restricted area at Rockefeller Center hunting for Al Roker before screaming a racial slur at Craig Melvin.

A former Arizona reporter read new excerpts from the purported ransom notes in the Nancy Guthrie kidnapping case on the "Crime Junkie" podcast.

Surveillance video shows the moment Andrew Arrabaca allegedly fired fireworks and dumped gasoline outside 26 Federal Plaza in New York City.

A manhunt is underway in Pima County after a woman was sexually assaulted during a home invasion about 30 miles from where Nancy Guthrie vanished.

Gruesome testimony revealed maggots and flies in the Tesla trunk where prosecutors say D4vd left 14-year-old Celeste Rivas Hernandez's remains.

FBI Director Kash Patel says the four-day delay in federal involvement may have cost crucial Nest doorbell footage that was on the verge of deletion.