HLN

A young girl is found dead, the victim of an apparent sex killer; there are few clues to the killer's identity, but authorities are intrigued by unusual orange fibers embedded in clothing found near the victim.

Police charge Alan "The Zenith Man" Ridley with murdering his wife, Virginia, but following an autopsy, medical detectives believe he may not have killed his wife after all.

With children dying at an alarming rate at a Texas hospital, authorities narrow down their probe to one nurse, but the murder weapon remains elusive.

When the decomposed body of a young girl is discovered, police have no clues to her identity, but days earlier, a stabbing victim told them she thought she might have witnessed a murder.

When a doctor's wife disappears, investigators use concrete from the doctor's yard and the recollections of a child to determine what happened.

Romanian archbishop Valerian D. Trifa, living in the U.S., is accused of being a Nazi war criminal, and forensic experts find evidence on an incriminating, 40-year-old postcard.

Investigators look into the shooting death of Russ Stager, a popular gym teacher, and discover that his death was not an accident; a message the victim recorded before his death reveals a story of greed.

A money launderer is found dead in the ocean and the only obvious clues to his identity are a Rolex watch and a tattoo; the anchor with which he is weighed down proves most helpful in solving the crime.

After American Atheists founder Madalyn Murray O'Hair disappears, the discovery of a mutilated body helps police catch the culprit.

Two people witness a truck driving over an unconscious man and flee into a nearby bar, but when the police turn up, the truck, the man and the witnesses are gone.

The anchors share the latest stories about significant events that take place across the world and interview prominent figures.

The anchors share the latest stories about significant events that take place across the world and interview prominent figures.

The anchors share the latest stories about significant events that take place across the world and interview prominent figures.

A woman is found dead on her bedroom floor, the only clue is a bloodstained sheet; breakthrough forensics enable police to identify the killer.

A young man is killed in a mysterious car crash, but the evidence at the scene lead investigators to believe it is not an accident; forensic science reveals what really happens, and the truth devastates three families.

A woman is found dead, police use blood evidence and computer forensics to convince a jury that the murderer is guilty.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

CNN Chief Legal Analyst and anchor Laura Coates leads comprehensive live coverage and expert legal analysis of the trial of Duane Davis -- accused of orchestrating the infamous, long-unsolved murder of hip-hop icon Tupac Shakur in 1996.

When 4-year-old April Renee Tucker is found dead in her backyard, her parents tell the police that neighborhood dogs attacked and killed her, but the injuries on her body don't match their account of what happened.

San Diego police investigate the murder of a missing person whose hands turn up in a dumpster; an anonymous letter, containing details only the killer would know, offers clues to solving the case.

One year after her father's death, a teen's role in a high school production of "Hamlet" causes her to reveal the chilling truth behind her family's tragedy.

A mother puts her hope on the internet and an independent investigation to clear her name after authorities charge her with murdering her 17-month-old son in a fire considered to be intentionally set.

When a man dies unexpectedly in the office of a noted California doctor, police begin what they think will be a routine investigation, but discoveries of false identities and insurance fraud raise questions about the doctor's role.

A forensic scientist uses his skills to preserve a footprint left in snow to help authorities nab two men suspected of robbing an Ontario couple and shooting the husband in the head.

Fingerprints taken from a piece of cloth help solve the rape and murder of a 22-year-old woman in Henrico County, Va.

The FBI profiles a suspect in the kidnapping and murder of a 6-year-old girl during an evening church service; a witness leads authorities to the likely killer, but then becomes a victim herself.

Photographs found in a dumpster lead to the killer of Los Angeles model Linda Sobek; the man claims he did not intentionally kill her despite evidence to the contrary.

A murder mystery theater performance in Easton, Md., turns into a real-life mystery when a body is found after the performance ends.

When a woman dies in a horseback riding accident, police uncover a web of lies in her husband's background after his suspicious behavior prompts a closer look.

A serial killer in Tampa, Fla., taunts police by strangling prostitutes and leaving their bodies in plain sight, but tire marks and fibers lead to the culprit.