Massachusetts authorities are searching for a newly identified suspect in two rapes from 1989.

“20/20” explores the multi-decade investigation and conviction of William Lewis Reece, who was linked to multiple murders

A Virginia man has been arrested in connection with the cold case murder of a 32-year-old woman in 1986.

Florida authorities said they believe they've recovered the remains of a 16-year-old girl who mysteriously vanished nearly 20 years ago.

A new age progression photo has been released of Massachusetts college student Maura Murray to try to prompt new leads on the 20th anniversary of her disappearance.

On an audio recording of a phone call, suspect Duane Davis and his son can be heard discussing what prosecutors allege was a plot to harm their cooperating witnesses.

A father and stepmother have been arrested for the murder of their 5-year-old son who was found dead more than 30 years ago in South Carolina.

More than three decades after she was murdered, police and prosecutors in Riverside, California, are hoping the public can help them identify the unknown victim.

State police announced that after more than two decades of investigating they have positively identified the body that was found in Lake Barkley.

The suspected victim of a convicted serial killer on death row has been identified nearly 50 years after his body was found near a California trail, authorities said.

Cathy Sposito, a 23-year-old college student, was brutally murdered while hiking on a trail in central Arizona and authorities have now identified her suspected killer.

Jacob Wetterling was kidnapped at gunpoint a half-mile from his St. Joseph home just after 9 p.m. on Oct. 22, 1989, and was never seen alive again.

A man has been arrested for the murder of a woman who was beaten to death in 1983 in Northern California.

After more than a century of being kept at a Reading, Pennsylvania, funeral home, a corpse that was mummified has been identified, according to the funeral home.

The boyfriend of Crystal Rogers, a Kentucky mother of five who vanished in 2015, was arrested in connection with her disappearance, state and federal authorities said.

A Kansas man has been charged in the cold case murders of two women from the 1990s, authorities said.

Alissa Turney was believed to be another teen runaway. A killer's false confession led authorities to take a closer look.

An 83-year-old former reverend has been arrested for allegedly killing an 8-year-old girl in 1975 while she was on her way to his Bible camp in Pennsylvania.

A four-decade-old cold case murder has been solved with the help of genetic genealogy technology, New Hampshire officials announced on Thursday.

Donald Santini was arrested in California for the murder of Cynthia Wood nearly 40 years ago.

Joran van der Sloot, the prime suspect in the unsolved 2005 disappearance of American teenager Natalee Holloway, lost an appeal and will be extradited.

The woman has been identified as Sylvia June Atherton, 41, of Tucson, Arizona.

Dutch citizen Joran van der Sloot is facing extradition from Peru to the United States over his alleged extortion of Natalee Holloway's family after her disappearance.

Sheila Keen Warren pleaded guilty to second-degree murder for the fatal shooting of Marlene Warren in 1990.

A New York man has been arrested for the March 14, 2003, killing of his ex-girlfriend, 20-year-old Megan McDonald, according to authorities.

A Minnesota man was sentenced for killing his wife in 2010 over the couple's debt, which he kept from her.

"20/20" explores the 13-year investigation into Heidi Firkus' murder, including an exclusive interview with the suspect's ex-wife who helped investigators.

More than a decade after Katelyn Markham disappeared, her then-fiance John Carter has been arrested in connection with her death.

Family is pushing for answers in the unsolved disappearance of postal worker Kierra Coles, who has been missing since 2018.

A young woman whose remains were found in the woods in Granby, Massachusetts, in 1978 and known for decades only as "Granby Girl" has finally been identified.

Twelve years after a shooting death on Cape Cod, the alleged killer was caught thanks to a root vegetable used in the commission of the crime, according to prosecutors.

Amanda Gonzales was excited to be a mother and had a reputation of defending others.

Police are continuing to search for clues in the case of the murdered parents of the child known as "Baby Holly."

"Baby June" was found dead, floating in the ocean off the coast of Florida, on June 1, 2018. Authorities said they have arrested the newborn's mother for her murder.

A little boy killed more than 60 years ago has finally been identified.

A convicted murderer, known as the "Torso Killer," pleaded guilty to murdering a dance teacher in 1968 and admitted to killing four other women in the early 1970s.

DNA advances helped investigators solve the 42-year-old cold case of Eve Wilkowitz, who was killed in New York in 1980.

Moody confessed in May to killing the 17-year-old and led law enforcement to her remains. He had been a person of interest in the killing for over 10 years.