Kristin Denise Smart was a 19-year-old American woman murdered by Paul Flores at the end of her first year on the campus of California Polytechnic State University, San Luis Obispo.
Susannah Jane Lamplugh was a British estate agent reported missing on 28 July 1986 in Fulham, London, England, United Kingdom. She was officially declared dead, presumed murdered, in 1993. The last clue to Lamplugh's whereabouts was an appointment to show a house in Shorrolds Road to someone she called Mr. Kipper. The case remains unsolved.
Holly Kristen Piirainen was a 10-year-old American murder victim from Grafton, Massachusetts. She and her brother had been visiting their grandparents in Sturbridge, Massachusetts when Holly was murdered. Her murder remains unsolved.
Renee MacRae was a Scottish woman who disappeared on 12 November 1976, together with her 3-year-old son Andrew. Their case was the United Kingdom's longest-running missing persons case, and within Scotland is as notorious as Glasgow's Bible John murders. In September 2022, William (Bill) MacDowell was found guilty of the murder of MacRae and her son. Their bodies have never been found.
Susan Marie Powell is an American missing person from West Valley City, Utah, whose disappearance and presumed murder in December 2009, as well as the subsequent investigation and events, garnered national media attention. Susan's husband Joshua was named a person of interest in her disappearance but was never charged. On February 5, 2012, Joshua killed himself and the couple's two young sons, Charles Joshua Powell and Braden Timothy Powell, in a murder–suicide after custody of the boys had been awarded to Susan's parents, Judy and Charles Cox.
Tara Faye Grinstead was an American high school history teacher from Ocilla, Georgia, who went missing on October 22, 2005, and was declared dead in 2010.
Sian Emma O'Callaghan was a 22-year-old British woman who disappeared from Swindon, Wiltshire, England, having last been seen at a nightclub in the town in the early hours of 19 March 2011. Her body was found on 24 March near Uffington in Oxfordshire. On 19 October 2012, at Bristol Crown Court, Christopher Halliwell, 48, of Nythe, Swindon pleaded guilty to O'Callaghan's murder.
Dawn Lee Swan Magyar was an American woman found murdered in March 1973, in a wooded area in Chapin, Michigan. She had been reported missing since January 27, 1973, from her home in Chesaning, Michigan. Believed to have been abducted from a shopping center in nearby Owosso, she was found to have been raped and shot three times.
Brianna Alexandra Maitland is an American teenager who disappeared after leaving her job at the Black Lantern Inn in Montgomery, Vermont. Her car was discovered the following day, backed into the side of an abandoned house about a mile (1.6 km) away from her workplace. Maitland has not been seen or heard from since. Due to a confluence of circumstances, several days passed before Maitland's friends and family reported her missing.
The disappearance of Trevaline Evans is a missing persons case from 1990, concerning a 52-year-old woman who vanished without trace from her antiques shop in Llangollen, Denbighshire, Wales, United Kingdom.
Since 1996, there has been an unusually high number of cases involving young women disappearing along U.S. Route 29 (US 29) in Virginia, or an area known as the "Route 29 Corridor". Five young women disappeared in five years between 2009 and 2014, earning it a particularly notorious reputation. Of the nine murders/disappearances, only the cases of Morgan Dana Harrington (2009), Alexis Murphy (2013) and Hannah Graham (2014) were solved ending in convictions of their murderers, the other cases are still unsolved.
Jessica Lynn Heeringa was a 25-year-old woman from Norton Shores, Michigan, who disappeared in the Exxon gas station where she was working the late shift on April 26, 2013.
Paige Marie Renkoski was a substitute schoolteacher from Okemos, Michigan who disappeared on May 24, 1990. She was last seen talking to two men on the shoulder of Interstate 96 near Fowlerville, Michigan. Her disappearance is one of Michigan's longest running cold cases. Her vehicle was reported abandoned on I-96, and though the responding officer discovered her car was still running and both her purse and shoes were in the vehicle, the police did not process this as suspicious, but merely had the vehicle towed.
Pamela Marie Hupp is an American murderer serving a life sentence in Missouri's Chillicothe Correctional Center for the 2016 shooting of Louis Gumpenberger in her home in O'Fallon, Missouri. Hupp's claim that she had shot Gumpenberger in self-defense after he pursued her into her home wielding a knife was not accepted by law enforcement. She ultimately entered an Alford plea before charges of first-degree murder and armed criminal action could go to trial.
Lynette Joy Dawson was an Australian woman who disappeared on or about 8 January 1982, leaving two daughters and her husband, former rugby league footballer Chris Dawson. Her whereabouts are unknown, but two coronial inquests found that she had been murdered. On 30 August 2022, Chris Dawson was convicted of Lynette's murder and sentenced to 24 years in prison.
Jonelle Matthews was a 12-year-old American girl who disappeared near Greeley, Colorado, on December 20, 1984. Her remains were discovered on July 24, 2019, by construction workers putting in a new pipeline 15 mi (24 km) from her home. Steven Pankey was sentenced to life imprisonment on October 31, 2022, after his arrest and trial for Matthews' murder.
Jennifer Dulos was an American woman who went missing on May 24, 2019. Authorities believe that she was killed in an attack at her home in New Canaan, Connecticut, United States. Her ex-husband, Fotis Dulos, and his girlfriend, Michelle Troconis, were arrested on charges of tampering with evidence and hindering prosecution in connection with Jennifer's disappearance. Later, the two – along with Fotis's attorney Kent Mawhinney – faced additional charges related to Jennifer's murder.
Maya "May" Millete is a Filipino American woman who disappeared on January 7, 2021, in Chula Vista, California. A police investigation into her disappearance is ongoing.
Alissa Turney was an American 17-year-old girl who was last seen in the Phoenix, Arizona, area on May 17, 2001.
