Cold Cases
Cold cases are investigations that have gone dormant due to exhausted leads, lack of evidence, or jurisdictional challenges, but they are never truly closed. Advances in forensic technology, particularly DNA analysis and genetic genealogy, have breathed new life into cases that were once considered unsolvable. Some of the most notorious cold cases in American history have been cracked decades after the original crime thanks to persistent investigators and new scientific methods. CaseSleuth catalogs these cases with comprehensive timelines, evidence summaries, and profiles of persons of interest. Many cold cases involve victims whose families have waited years for answers, and public awareness remains one of the most powerful tools for generating new leads and bringing closure.
21 cases found
Disappearance of Amy Hillyard
UnsolvedOakland, CA · 2026
Amy Hillyard, 52, co-owner of Farley's Coffee, went missing from her Oakland home on March 25, 2026. She was last seen on surveillance video at Dimond Park around 4:30 p.m. that day. She left without her phone, wallet, and keys. Classified as at-risk due to a medical condition. As of April 14, 2026, she has not been found.
Disappearance of Nancy Guthrie
UnsolvedCatalina Foothills, AZ · 2026
Nancy Ellen Guthrie, 84-year-old mother of NBC Today co-anchor Savannah Guthrie, was reported missing from her Catalina Foothills, Arizona home on February 1, 2026. Doorbell camera footage captured a masked, armed individual on her property in the early hours of February 1, and blood confirmed as hers was found at the entrance. Pima County Sheriff's Department and the FBI are investigating the case as a kidnapping. As of April 7, 2026, Nancy has not been located and no suspect has been charged in connection with her disappearance.
New Orleans New Year's Day Attack
UnsolvedNew Orleans, LA · 2025
On New Year's Day 2025, Shamsud-Din Jabbar drove a pickup truck into a crowd celebrating on Bourbon Street in New Orleans, resulting in the deaths of 14 people and injuring dozens more. The attack, inspired by ISIS, unfolded as revelers rang in the New Year, and Jabbar was subsequently killed in a shootout with police. The incident marked a violent start to the year and raised concerns about domestic terrorism.
Brian Laundrie Manhunt
Cold CaseNorth Port, FL · 2021
Brian Laundrie, fiancé of Gabby Petito, returned home alone from their cross-country trip. After Petito was found murdered, Laundrie fled and was found dead with a confession notebook.
2017 Las Vegas Shooting
UnsolvedLas Vegas, NV · 2017
On October 1, 2017, Stephen Paddock fired from the 32nd floor of Mandalay Bay into a concert crowd, killing 60 and wounding over 400. It remains the deadliest mass shooting in modern U.S. history.
Elisa Lam
UnsolvedLos Angeles, CA · 2013
On February 19, 2013, the body of 21-year-old Canadian tourist Elisa Lam was discovered inside a rooftop water tank at the Cecil Hotel in Los Angeles. Her death was ruled an accidental drowning with bipolar disorder as a contributing factor, but the circumstances — including bizarre elevator surveillance footage — remain deeply mysterious.
Haleigh Cummings
Cold CaseSatsuma, FL · 2009
Five-year-old Haleigh Cummings disappeared from her Satsuma, Florida home on February 10, 2009, while in the care of her father's teenage girlfriend Misty Croslin. Despite an extensive investigation, Haleigh has never been found and no one has been charged with her disappearance or death, which police consider a likely homicide.
Madeleine McCann
Cold CasePraia da Luz · 2007
Three-year-old Madeleine McCann disappeared from her family's holiday apartment in Praia da Luz, Portugal, on May 3, 2007, while her parents dined nearby. German sex offender Christian Brueckner is the prime suspect but has never been charged; the case remains one of the most extensively investigated missing child cases in history.
Natalee Holloway
Cold CaseOranjestad · 2005
Natalee Holloway, an 18-year-old Alabama high school graduate, disappeared on May 30, 2005, while on a senior class trip to Aruba. Despite years of investigation and the 2023 confession of primary suspect Joran van der Sloot, her remains have never been found and no one has been convicted of her murder in Aruba.
Jeffrey Epstein Sex Trafficking Case
UnsolvedNew York, NY · 2005
Financier Jeffrey Epstein operated a sex trafficking ring abusing dozens of underage girls. He died in a Manhattan jail cell in August 2019 while awaiting trial on federal sex trafficking charges.
Maura Murray Disappearance
UnsolvedHaverhill, NH · 2004
Maura Murray, a 21-year-old nursing student at UMass Amherst, disappeared on February 9, 2004, after her car crashed on Route 112 in Haverhill, New Hampshire. She has never been found despite extensive searches. The case remains one of the most discussed missing person cases in the country.
Chandra Levy Disappearance
UnsolvedWashington, DC · 2001
Washington, D.C. intern Chandra Levy vanished in May 2001. Her remains were found in Rock Creek Park in 2002. Ingmar Guandique was convicted in 2010 but the conviction was vacated in 2016. The case remains officially unsolved.
Murder of the Notorious B.I.G.
Cold CaseLos Angeles, CA · 1997
On March 9, 1997, rapper Christopher Wallace — known as the Notorious B.I.G. or Biggie Smalls — was shot and killed in a drive-by attack in Los Angeles, just six months after the murder of his rival Tupac Shakur. The case has never been solved and remains one of the most prominent cold cases in music history.
JonBenét Ramsey
Cold CaseBoulder, CO · 1996
On December 25, 1996, six‑year‑old JonBenét Patricia Ramsey was killed in her family's home at 755 15th Street in Boulder, Colorado. She was reported missing early on December 26, and her body was found about seven hours later in the basement of the house. Her skull had been fractured, and a garrote was tied around her neck. The autopsy determined that the cause of death was asphyxia by strangulation associated with craniocerebral trauma, and the case was ruled a homicide.
Murder of Tupac Shakur
Cold CaseLas Vegas, NV · 1996
On September 7, 1996, rapper Tupac Shakur was shot in a drive-by in Las Vegas and died six days later on September 13, 1996. The case remained unsolved for 27 years until a suspect was arrested in 2023, though significant questions about the full scope of the conspiracy remain.
Natalie Wood
Cold CaseCatalina Island, CA · 1981
Acclaimed actress Natalie Wood drowned on November 29, 1981, near Catalina Island, California, while aboard a yacht with her husband Robert Wagner and actor Christopher Walken. Initially ruled an accidental drowning, the case was reopened in 2011 amid new witness statements, with Wagner named a "person of interest."
Jonestown Massacre
Cold CaseJonestown · 1978
On November 18, 1978, more than 900 members of the Peoples Temple cult died at their jungle commune in Guyana after cult leader Jim Jones ordered a mass poisoning, in the largest single loss of American civilian life before September 11, 2001. U.S. Congressman Leo Ryan and four others were also murdered at a nearby airstrip.
D.B. Cooper — Unsolved Hijacking
UnsolvedPortland, OR · 1971
On November 24, 1971, a man using the alias "Dan Cooper" (later misidentified as "D.B. Cooper") hijacked Northwest Orient Flight 305 between Portland and Seattle, extorted $200,000 in ransom, and parachuted from the rear of the Boeing 727 into the Pacific Northwest night. He was never identified or found. It remains the only unsolved commercial airline hijacking in U.S. history.
Zodiac Killer
Cold CaseSan Francisco, CA · 1968
An unidentified serial killer who operated in Northern California in the late 1960s and early 1970s, taunting police and media with cryptic letters and ciphers. Five murders are confirmed, with two survivors, though the Zodiac claimed as many as 37 victims. The case remains one of the most famous unsolved murder mysteries in American history.
Emmett Till
Cold CaseMoney, MS · 1955
Emmett Till, a 14-year-old African-American boy from Chicago, was abducted, brutally tortured, and murdered in Money, Mississippi on August 28, 1955, after being accused of whistling at a white woman. The two men who killed him were acquitted within hours; the case became a pivotal moment in the American civil rights movement.
Black Dahlia
Cold CaseLos Angeles, CA · 1947
On January 15, 1947, the bisected and mutilated body of 22-year-old aspiring actress Elizabeth Short was found in a Los Angeles vacant lot. Dubbed the "Black Dahlia" by the press, the case attracted over 150 suspects and remains one of Los Angeles's most enduring unsolved murders.