S07 E47 — House Call
Police in St. Petersburg, Fla., use cell phone mapping, wiretapping and a host of forensic evidence to find a surgeon's killer.

S07 E50 — Plastic Fire
A woman wins her release after being imprisoned for allegedly killing her mother in a car fire.

S07 E52 — Last Will
Authorities are able to apprehend a kidnapper because he allowed his victim to write a will on a telltale pad of paper.

S07 E31 — Dessert Served Cold
Experts debate whether an apparent heart attack victim died from natural causes or alleged poisoning by his girlfriend.

S07 E32 — The Music Case
When a 12-year-old was found dead in her home, police were left clueless until a string of burglaries months later. A trail of stolen goods may help solve a murder.

S07 E33 — Paintball
When 15-year-old Marlene Miller was murdered, it would take 24 years and several retrials before forensic scientists discovered the evidence to bring her killer to justice.

S04 E03 — Ultimate Betrayal
A 1995 fire razes the mansion of a Kansas doctor, killing two of her three children; disturbing accounts from an ex-husband lead investigators to believe the doctor set the blaze herself.

S04 E04 — Cement the Case
A husband confesses to his wife's murder, only to be found not guilty a year later when a phone tip and forensic evidence point to another.

S04 E05 — Innocence Lost
In Lorton, Va., police attempt to determine who abducted 5-year-old Melissa Brannen after she disappeared from a Christmas party, but cannot be certain until they match hair from a rabbit-fur jacket Brannen wore that day.

S04 E06 — Til Death Do Us Part
When a Pennsylvania man checks into a hospital for leg pain and later dies of thallium poisoning, police investigate his wife and find her in the process of collecting an insurance payment for her previous husband's death.

S04 E08 — Body of Evidence
Police exhume the body of Karla Brown, murdered in her home in 1978, to study bite wounds, which eventually lead to the killer.

S04 E09 — Accident or Murder?
A new life-insurance policy sparks suspicions of murder when a Nova Scotia schoolteacher's body is found at the bottom of her basement stairs.

S04 E10 — Core Evidence
A beverage company pleads guilty to violating federal safety laws when a baby dies from E. coli after drinking apple juice.

S04 E11 — Haunting Vision
A woman who survived a deadly childhood fire sends police a letter charging that her father killed her mother 30 years ago.

S04 E12 — With Every Breath
After more than 20 people on a Native American reservation die suddenly from a flu-like disease, Navajo medicine men provide a clue that leads to a most unlikely killer.

S04 E13 — Slippery Motives
While at a real estate conference in St. Louis, a man finds his wife drowned in the bathtub in their hotel room.

S05 E01 — Badge of Deceit
A cunning serial rapist who leaves no decisive evidence forces investigators to rely on geographical profiling in their search for an identity; DNA from a cigarette butt may provide the final piece of evidence needed to catch the suspect.

S05 E02 — Dew Process
New evidence including fibers and weather patterns point to a different killer in the 1986 case of a Pennsylvania dentist's murdered wife.

S05 E03 — A Woman Scorned
Insects and a single strand of hair uncover an additional suspect in the killing of a young mother and her baby in Lehigh Valley, Pa.

S05 E04 — A Voice From Beyond
A decomposed body is found in a barrel, and a dilapidated address book may hold the answer, but investigators must find a way to read the pages because the passage of 30 years has turned them blank.

S05 E05 — Burning Ambition
When a policeman's home burns to the ground, he later arrests a man who confesses to arson, but the confession seems dubious.

S05 E06 — Memories
A woman identifies her husband as her attacker, but questions arise 16 years later regarding her recollections.

S05 E08 — Material Evidence
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.

S05 E09 — Killigraphy
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.

S05 E10 — Nursery Crimes
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.

S05 E11 — Lasting Impression
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.

S05 E12 — Foundation of Lies
When a doctor's wife disappears, investigators use concrete from the doctor's yard and the recollections of a child to determine what happened.

S05 E13 — Unholy Vows
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.

S05 E15 — Broken Promises
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.

S05 E16 — Time Will Tell
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.

S05 E17 — Second Shot at Love
The apparent suicide of Dr. Darryl Sutorius, a respected heart surgeon, is questioned when an investigation reveals his new wife's violent history.

S05 E18 — Journey to Justice
The 1992 hit-and-run death of 6-year-old Nicole Rae Walker leads to a groundbreaking trial as experts submit a video reconstruction of the incident, implicating a drunk driver and demonstrating the viability of video testimony.

S05 E19 — Video Diary
Specialists including a NASA vendor help police reconstruct a damaged surveillance video to catch the murderer of convenience store employee Wanda Mason in Lansing, Mich.

S05 E14 — Deadly Knowledge
When a young woman goes missing, the police investigation reveals that she led a double life -- student by day, call-girl by night -- but when her body is discovered, even more strange truths are uncovered.

S09 E12 — Burning Desire
A fire, caused by an unattended cigarette, kills the estranged wife of a police officer; forensic scientists discover that the cause is far more complicated.

S09 E09 — Cloak of Deceit
A trio of men, responsible for several bank robberies, leaves no evidence behind; forensic scientists help catch them by looking at the criminals' posture and clothing.

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.

S07 E35 — Sign Here
Detectives use a forged signature to find a woman's abductor.

S07 E36 — Shadow of a Doubt
A woman is killed two days before she was scheduled to testify against a man accused of assaulting her and the prime suspect has an alibi.

S07 E43 — Tourist Trap
A bite mark is all the evidence needed to convict a suspect who was robbing tourists in Florida.

S07 E45 — Once Bitten
Technology able to analyze human bite-marks yields information on a woman's death.

S07 E42 — All Wet
A death in Pennsylvania is strikingly similar to one in North Carolina.

S07 E46 — Shot of Vengeance
When a nurse starts experiencing a variety of flu-like symptoms, she discovers that she is HIV-positive; she learns that her infection was not accidental.