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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 an elderly woman dies in an apparent robbery-homicide, evidence suggests the suspect broke out of the house rather than breaking in.

Wealthy man is shot dead while his wife is forced to open their hidden safe, but they couldn't be identified because they were wearing ski masks.

The bomb was constructed to cause as much damage as possible, and it did, killing the victim with deadly force and flame; a painstaking search yielded tiny clues, which identified the killer as surely as if he'd signed them.

A twelve-year-old girl claims that she was abducted and sexually assaulted; her story seems unbelievable until police discover fibers on her clothing.

A man calls for help when his wife has a fatal fall down the stairs; numerous amount of bloodstains make police suspicious.

A decade old case reopens, and a few seconds of a 911 call enable investigators to determine who is responsible for a murder.

A flawed envelope is an unlikely clue to identifying a killer who laced a water cooler with cyanide and caused the death of a woman.

A mussel diver and his fiancée are found dead in their burnt home; a tiny clue points to arson and murder.

For ten years, the disappearance of a college co-ed remained a mystery; new scientific testing cast a different light on a man who had been a suspect all along.

Tipster is found dead after revealing that a woman's death 16 years ago was murder.

The murder of 53-year-old Paul Gruber is examined, and the evidence points to Darryl Robin Kuehl, who was later convicted of the crime.

A man states that a robber shot and killed his wife while they were on the beach, but a song he downloaded makes investigators suspicious.

Detectives discover new clues left by a stalker's letter to his victim.

The body of an insurance assessor is found in a river in Tampa, Fla.; a unique murder weapon and blatant clues lead the police straight to her careless killer.

When a high school athlete is killed in a hit-and-run accident, investigators hoped tiny paint chips and shards of plastic would lead them to the driver.

A woman is abducted and a month later found dead, then a tip leads investigators in the right direction.

How the bombs were made leads investigators in Colorado to find the perpetrator.

DNA profiling reveals clues leading to a killer's identity 20 years later.

A murder in Australia baffles police, until they find a device intended to save lives is the only witness to the man's death.

When a man dies after falling down the stairs, a witness says one thing and the evidence says another.

A wax bullet, white blanket and olive colored carpeting tell a lot about the murder of a young woman found in a ravine.

When a house burns to the ground and a woman's charred remains are found, investigators must determine whether it was an accident or arson.

A suspicious neighbor gives police a break in a cold case.

A family suspects their teenage daughter's new friends were involved in her disappearance.

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.

The assistant manager of the restaurant had been stabbed to death; police knew why he'd been killed: $8,000 was missing from the safe. As to who was responsible, his family and friends couldn't even imagine who'd want to hurt him.

Florida authorities rely on DNA evidence to try to nail the killer of a woman who was abducted from her late-night job at a convenience store, raped and strangled.

A wildfire in a secluded parking lot leads police to discover a dreadful homicide, with the suspect's image caught by security cameras.

After a prominent Arizona surgeon is found stabbed to death outside his office, investigators uncover an unlikely suspect with deep pockets and an even deeper hatred for the doctor.

Police don't have a basis for comparison to match shoe impressions, blood drops and DNA evidence from a murder scene.

A masked gunman kills two members of a family and wounds two others after they interrupt his burglary at their upscale suburban home.

A killer leaves equally incriminating evidence at the scene when he meticulously wipes away his fingerprint and shoe impressions.

After a woman is found dead at a yacht club in California in an apparent case of love gone wrong, investigators discover her home life was as dramatic as films made in nearby Hollywood.

The brutal murder of a state park employee over $2,000 rattles her co-workers and tourists while leaving police to sift through hundreds of leads.

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.

Casino security cameras offer the final images of a woman, just before she vanishes without a trace; can these grainy images lead police to her killer?

A squashed tomato and a pinpoint reflection of light in a photo help catch a killer.

An ATM transaction allows Texas detectives to pinpoint a suspect in the slaying of a teacher, but a shoelace stolen from the victim's home proves to be the tie that binds her killer to the crime.

Ten years after the murder of a rock singer, forensic scientists use evidence collected to finally bring her killer to justice.

After a Michigan State University grad student disappears and is presumed dead, a professor of geological sciences helps police get the dirt on her killer.

When a man's wife kills herself 14 years after his college sweetheart commits suicide, police start to get suspicious.

A woman gets shot in her driveway; she may have been the victim of a co-worker half her age that she had recently rejected.

A pair of tennis shoes are found near a victim who had been stabbed on the beach, less than ten yards from her hotel.

Three fingerprints on a window screen are enough for a print examiner to uncover the work of a serial killer.

With a long list of suspects, forensic experts agree on one thing in this brutal murder: the killer knew his victim.

The only lead to finding a serial killer on the loose is a bloody fingerprint on the body of a victim.

Tests reveal the race, eye color and hair color of the person responsible for killing two young women on Halloween night.

A convicted arsonist claims his innocence and with no lawyer, no money and only a fifth-grade education, sets out to prove it.

A canine behaviorist uses the family dogs, who are the only witnesses, to find the murderer of their owner.

Investigators see through a killer trying to cover his tracks by staging the crime scene to learn what really happened.

A young girl beaten after watching her grandmother killed, identifies the wrong person; years later she tries to change her statement.

In 1984 police failed to convict the murderer of a college student; new technology may finally help the police to catch her killer.

Police investigate a young woman found murdered two weeks after reporting a road rage incident; evidence leads not to the aggressive driver, but one of their own.

When a single mother is murdered, her brother vows to find the person responsible for the death of his sister, even if it takes more than 30 years.

A husband and wife get shot, and their 16-year-old daughter manages to escape, but investigators suspect she may be involved in the murder.

After 10 years, a witness decides to do the right thing about the rape and murder of a young hairdresser.

Police investigate the possibility of a hate crime when two women go missing and are later found murdered.

When a 62-year-old man opens a car restoration business and becomes seriously ill, his doctors cannot find the cause, but forensics can; identification of a highly toxic metal in the victim's blood leads to his poisoner.

When a 6-year-old disappears, her father becomes the prime suspect; he fails a polygraph test and even confesses, but 10 years later, the investigation gets turned on its head.

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 quiet waitress who hasn't been to work in two days vanishes without a trace; police suspect a date gone wrong.

The search for a missing exotic dancer led police to an isolated 75-acre site where someone had been shot and cremated, thus destroying all evidence... almost; piece of a foot provided enough DNA for a genetic profile and positive ID.

After years of suffering domestic abuse, a young woman is found murdered in her bathtub; among numerous clues, a hamburger bun proves the most incriminating.

Evidence that includes threatening emails, a missing person and an abandoned truck lead police to a woman's suspected killer, but they don't have the victim's body.

A woman has an accidental fall down a flight of stairs and appears to have hit her head, but the lack of blood splatter and misplaced shoes lead police to believe the fall was staged.

A church member gets gunned down after leaving choir practice; although witnesses see little and not much evidence exists, investigators learn that she had been having affairs for years.

When a man perishes in a fire while working in his garage, his death is initially ruled an accident until a forensic odontologist changes the direction of the case.

Lack of evidence compels investigators to look beyond the obvious when a woman is beaten to death at her in-laws house.

A man is found dead of an apparent suicide. But soon after, information emerges which reveals a much more menacing scenario.

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.

Eyewitness to real estate agent's murder is put under forensic hypnosis in an attempt to help him recall the killer's face.

Police launch a search for a killer after a teenager returns home to find his father's body in a pool of blood.

Pathologist examining the death of a politician who was running for re-election finds tiny puncture wounds at the autopsy.

A Naval officer who threatened to go public with tales of on-the-job sexual harassment and assault is brutally murdered, but when investigators find the allegations could be part of an elaborate scheme for money, they turn to forensic science.

A man is found stabbed to death after a night in a strip club; a drop of blood on a bedspread becomes critical evidence five years later.

After police identify a murder victim thanks to her butterfly necklace, they discover several co-workers had vendettas against the victim.

The brutal murder of a construction site foreman looks like the work of a disgruntled employee, but forensic science points to an unlikely suspect.

A shooting victim mutters the name of her apparent assailant before dying, but fingerprint comparisons, handwriting analysis, ballistics and DNA testing show someone else close to home is the true killer.

A woman's story seemed far-fetched; she tells investigators that a man broke into her home wearing only underwear and gloves, killed her boyfriend and raped and terrorized her.

After a Delaware man's mother is found dead, he tells a story that's so improbable police think it can't possibly be true.

A family vacation turns into a terrifying search for a missing wife and baby, then becomes a manhunt for a killer who committed a horrific crime.

A DNA dragnet catches a killer eight years after the kidnapping, rape and murder of a college coed in Oklahoma.