DNA

Bryan Kohberger was wearing latex gloves and sorting trash into zip lock baggies when authorities raided his family’s Pennsylvania home, an official says.

A man incarcerated in Florida was linked to a 26-year-old unsolved murder in Denver, and now investigators say he could be responsible for a Seattle killing.

An accomplished French horn player died in 2014, but police say DNA evidence has linked the New Mexico teacher to multiple decades-old unsolved sex assaults.

A 17-year-old girl was drowned to death in Indiana in 1975. Authorities say two Indiana men have now been arrested for her murder.

A St. Louis woman was reported missing in 2013 by her family. Ten years later, an Illinois man has been charged with her murder.

Authorities in Arizona have identified a woman whose remains were found in a canvas sack in the desert over 50 years ago.

A woman was arrested in connection with the 1987 fatal shooting of her husband after it was determined blood on her pajamas didn’t come from a goose bite.

The FBI in Massachusetts used genetic genealogy to identify a woman who was found brutally murdered on a beach nearly 50 years ago in Provincetown.

A 75-year-old man from Hawaii was arrested in connection with the cold case murder of a teenager in California almost 40 years ago, prosecutors announced.

Authorities in Ohio said DNA advances have led to the identification of a suspect in a cold case murder who may also be tied to a second unsolved death.

A suspect was taken into custody after DNA links him to the slaying of a Texas woman over three decades ago, authorities said. He was charged with murder.

An elderly California man is accused of two cold case murders after DNA evidence from a sexual assault last year allegedly connected him with the crimes, authorities said.

A suspect was taken into custody after DNA allegedly linked him to the murder of a former TV news station employee in Texas last fall, authorities announced.

An Oregon man is behind bars six months after he allegedly fired two guns at a pizza restaurant, killing one man and wounding two patrons, police said.

A Mississippi man was arrested in connection to the cold case murder of a woman last seen alive nearly three decades ago, authorities said.

A child was killed while walking to her Pennsylvania school in 1964, but the case went cold. DNA helped police identify a suspect, but he won't be arrested.

Investigators in Michigan have identified the victim in a cold-case homicide as a woman who went missing almost three decades ago. DNA helped solve the case.

A new trial has been granted for a man convicted of cold case murders after a jury issue. DNA genealogy helped identify the suspected killer.

Cold Case homicide investigators talk about how they solve cases that are decades old. DNA technology has helped. They also talk about the feeling of having an answer.

Othram labs has become known for helping to solve cold cases. Its founder spoke of the DNA technology, how it works and what it's like helping close an investigation.

DNA helped solve a cold case murder from 1996, cops say. The victim was murdered while working as a waitress. The suspect was already in jail for sexual assault charges.

DNA has linked a Massachusetts man who served as pallbearer at his half-sister’s funeral over 20 years ago to her beating death, according to prosecutors.

Las Vegas police say they have solved a cold case that dates back 42 years. Kim Bryant was murdered and sexually assaulted in 1979. The suspect died years ago.

Investigators said they were able to solve a 35-year-old murder cold case using genetic genealogy after obtaining a grant from the U.S. Department of Justice.

Beer cans tossed in the trash may have solved the cold-case murder of a Florida man who was stabbed 73 times and died in a convenience store, police said.

The victim in a Colorado cold-case murder from 1988 has been identified, police said. Akram Bada’an's identity was confirmed using DNA and genetic genealogy.

More than 30 years after an infant’s remains were discovered in the trash, DNA has linked a North Carolina couple to the child, police said.

A victim of serial killer John Wayne Gacy was just identified using DNA. Police announced the name 40 years after the victim was killed by the famous murderer.

After 37 years, a victim of serial killer Robert Hansen was identified using DNA. The victim was killed in Alaska. Hansen killed 17 women in his spree.

A teen was beaten and murdered in Iowa 50 years ago. Police say they have solved the cold case and it was the man the mother suspected decades ago.

A man is under arrest in connection to the brutal murder of a North Carolina college student killed in her off-campus apartment in 2012, authorities said.

Police in Arizona say they arrested a serial rapist who was a retired cop. Efforts to ease the backlog of rape kits led to DNA identifying the suspect.

Police have arrested a man after a grand jury in New Jersey indicted him in connection to the 22-year-old cold case murder of a teenager, officials said.

Florida investigators have cracked the cold case murders of three women whose bodies were dumped over a 14-month span between 2000 and 2001.

A man who murdered a woman 47 years ago was sentenced to life in prison. The murder of Carla Walker was cold until DNA testing provided new info.

An 84-year-old was sentenced to life in prison for the cold-case murder of a couple in a Wisconsin park. The suspect lived a normal life for decades after the killings.

Police in Sarasota, Florida, say they have solved the 1985 cold-case killing of a mom. The suspect was in prison on an unrelated murder charge.

After 36 years, an arrest has been made in the cold case of Leslie McCray's murder in Florida. Police identified the suspect using DNA and he was already in prison.

Some families have to wait years for answers, others have waited decades. These are some of the oldest cold case murders that police have solved.

A man was convicted of the cold-case murder of an Iowa woman 40 years ago. DNA from a gear shift and the victim's dress helped police decades later.

The killing of Mia Zapta, a musician in the Grunge scene in the 1990s, left its mark on Seattle. But, it took nearly a dozen years for her killer to face charges.

Cops in Sarasota, Florida, say they solved the 1985 cold-case murder of a young mom. Police say DNA helped them identify the suspected killer.

Authorities used genetic genealogy to identify the person they believe killed 20-year-old Michelle Louise Wyatt in 1980 in her Santee, California, home.

Police in California say they identified the murderer of a woman killed 45-years ago. The suspect, who died shortly after the crime, was identified using DNA.

Authorities in Pennsylvania have arrested a new suspect in connection to a nearly 34-year-old murder case that sent an innocent man to prison for 16 years.

Las Vegas police announced they solved a 1989 cold-case murder of a girl killed on her way to school. A small DNA sample and an anonymous donation helped police.

A suspect has been connected to at least two sexual battery cases linked with Florida's "Woodline Rapist." The cold cases date to 2002 and 2003.

New technology and volunteer groups are helping police identify decades-old John and Jane Does. Finding their identities helps bring closure to families.

Two serial killers worked in Louisana at the same time. While they killed separately, their cases are linked as they were ID'ed in the same investigation.

A woman in Indiana is accused of leaving a newborn in a dumpster in Pennsylvania a decade ago. Police say DNA helped solve the cold-case homicide.