Episode: 1x01 | Airdate: Jan 1, 1999
Death of actor Bob Crane; fingerprint matching; police solve the murder of a missing young woman; DNA and an Illinois rape case.
Episode: 1x02 | Airdate: Jan 8, 1999
A 3-year-old boy provides police with evidence in a murder case; a murdered housewife is buried in her own cellar.
Episode: 1x03 | Airdate: Jan 15, 1999
Englishwoman shot; fingerprint matches prisoner; DNA databank helps catch stalker.
Episode: 1x04 | Airdate: Jan 23, 1999
Episode: 1x05 | Airdate: Jan 29, 1999
DNA tests identify a murder victim in Canada; detectives trace a gun to a killer.
Episode: 1x06 | Airdate: Feb 6, 1999
A Missouri woman is convicted of killing her stepdaughter; a skeleton leads police to a serial killer.
Episode: 1x07 | Airdate: Feb 12, 1999
Alligators help to solve a murder investigation; Phoenix police solve a 20-year-old homicide.
Episode: 1x08 | Airdate: Feb 19, 1999
A Florida man vanishes; crash victim is found to have been shot.
Episode: 1x09 | Airdate: Feb 26, 1999
Episode: 1x10 | Airdate: Mar 5, 1999
An arson investigator is suspected of setting fires; a man rapes, kills and robs his neighbor.
Episode: 1x11 | Airdate: Mar 12, 1999
A determined cop solves the murder of a prostitute; investigators solve the murder of a socialite.
Episode: 1x12 | Airdate: Mar 19, 1999
Episode: 1x13 | Airdate: Mar 26, 1999
Episode: 1x14 | Airdate: Apr 2, 1999
Rapes plague the Linden area of Columbus, Ohio; a hitchhiker's corpse is found in the California redwoods.
Episode: 1x15 | Airdate: Apr 9, 1999
Episode: 1x16 | Airdate: Apr 16, 1999
A killer of four goes free until a detective finds key evidence on a coffee cup.
Episode: 1x17 | Airdate: Apr 23, 1999
Woman's body hidden in a refrigerator; murder of a deputy sheriff.
Episode: 1x18 | Airdate: Apr 30, 1999
Divers find a skeleton in a car at the bottom of a river; a dead dog's DNA helps to crack open a case.
Episode: 1x19 | Airdate: Apr 30, 1999
Episode: 1x20 | Airdate: May 7, 1999
A serial killer keeps law enforcement working on his cases for over 20 years.
Episode: 1x21 | Airdate: May 14, 1999
A forensic anthropologist painstakingly pieces 97 bone fragments back together to solve a woman's murder.
Episode: 1x22 | Airdate: May 21, 1999
A scientist's murder is solved using the technology she was developing at the time of her death; criminal profiling helps to nab a child-rapist.
Episode: 1x23 | Airdate: May 28, 1999
Police thaw a frozen body with a hair dryer and solve the case; when a child's body is found in a Chicago garden, authorities track down a strange family.
Episode: 1x24 | Airdate: Jun 4, 1999
Episode: 1x25 | Airdate: Jun 11, 1999
A boat ride leads to death; a mail order bride is found dead after threatening to leave her husband.
Episode: 2x01 | Airdate: Jan 1, 2000
A New Orleans police officer goes undercover on a riverboat; a Wisconsin man goes on trial for a murder 10 years earlier.
Episode: 2x02 | Airdate: Jan 8, 2000
A fluke audit of a license-plate number leads police to a brutal rapist.
Episode: 2x03 | Airdate: Jan 15, 2000
Episode: 2x04 | Airdate: Jan 22, 2000
A forensic anthropologist becomes an expert on the human body's rate of decay.
Episode: 2x05 | Airdate: Jan 29, 2000
A woman helps to solve her mother's murder; an officer solves the murder of a newspaper-delivery woman.
Episode: 2x06 | Airdate: Feb 5, 2000
A killer boasts of his crime to cellmates; police link a New Hampshire murder to one in Florida.
Episode: 2x07 | Airdate: Feb 12, 2000
A woman's fall from a cliff leads police to uncover a series of grisly murders; investigators find crucial DNA evidence on a killer's cigarette butts.
Episode: 2x08 | Airdate: Feb 19, 2000
Episode: 2x09 | Airdate: Feb 26, 2000
After receiving a crucial clue, police solve a woman's murder more than 20 years after the fact.
Episode: 2x10 | Airdate: Mar 5, 2000
A look into the crimes of a notorious white supremacist organization re-opens the case of a black truck driver who was forced to jump off a bridge to his death by members of the group, one of who faces criminal charges 32 years after the incident.
Episode: 2x11 | Airdate: Mar 12, 2000
A Minnesota serial-killer, who targets waitresses, remains free for nearly 20 years.
Episode: 2x12 | Airdate: Mar 19, 2000
A murder victim's niece starts an advocate group; a car preserves a victim's body.
Episode: 2x13 | Airdate: Mar 26, 2000
DNA on a cigarette brings a rapist and murderer to justice; a confession made to a TV star helps police to solve a murder.
Episode: 2x14 | Airdate: Apr 2, 2000
Killing of a medical examiner's wife; deaths of two babies.
Episode: 2x15 | Airdate: Apr 9, 2000
Killer sets fires for insurance money; a prison inmate helps to solve a murder.
Episode: 2x16 | Airdate: Apr 16, 2000
Episode: 2x17 | Airdate: Apr 23, 2000
A tool mark solves a murder; a disgruntled wife tells police that her husband is a killer.
Episode: 2x18 | Airdate: Apr 30, 2000
The national DNA databank helps police hunt down a rapist-killer; recreation of a shooting death proves it wasn't an accident.
Episode: 2x19 | Airdate: May 7, 2000
The Internet assists police in finding a serial killer; drug trafficker jumps bail.
Episode: 2x20 | Airdate: May 14, 2000
A teenager leads police to the killer of three girls; a woman disappears from her sister's home.
Episode: 2x21 | Airdate: May 21, 2000
Episode: 2x22 | Airdate: May 28, 2000
Episode: 2x23 | Airdate: Jun 4, 2000
Episode: 2x24 | Airdate: Jun 11, 2000
Episode: 2x25 | Airdate: Jun 18, 2000
Saliva seals a killer's doom; DNA from the victim's son solves a murder; an arson investigator is accused of setting fires; a neighbor rapes, robs and murders an older woman.
Episode: 3x01 | Airdate: Jan 1, 2001
Episode: 3x02 | Airdate: Jan 8, 2001
Episode: 3x03 | Airdate: Jan 15, 2001
Episode: 3x04 | Airdate: Jan 22, 2001
Episode: 3x05 | Airdate: Jan 29, 2001
Episode: 3x06 | Airdate: Feb 5, 2001
Episode: 3x07 | Airdate: Feb 3, 2004
Episode: 3x08 | Airdate: Feb 19, 2001
Episode: 3x09 | Airdate: Feb 26, 2001
Episode: 3x10 | Airdate: Feb 5, 2001
Episode: 3x11 | Airdate: Mar 12, 2004
Episode: 3x12 | Airdate: Mar 19, 2001
Episode: 3x13 | Airdate: Mar 26, 2001
Episode: 3x14 | Airdate: Apr 2, 2001
Episode: 3x15 | Airdate: Apr 9, 2001
Episode: 3x16 | Airdate: Apr 16, 2001
Episode: 3x17 | Airdate: Apr 23, 2001
Episode: 3x18 | Airdate: Apr 30, 2001
Episode: 3x19 | Airdate: May 7, 2001
Episode: 3x20 | Airdate: May 14, 2001
Episode: 3x21 | Airdate: May 21, 2001
Episode: 3x22 | Airdate: May 28, 2001
Episode: 3x23 | Airdate: Jun 4, 2001
Episode: 3x24 | Airdate: Jun 11, 2001
Episode: 3x25 | Airdate: Jun 18, 2001
A wild hunch pays off in the capture of a serial rapist; investigators solve the murder of a 6-year-old girl.
Episode: 4x01 | Airdate: Jan 1, 2002
Episode: 4x02 | Airdate: Jan 8, 2002
Episode: 4x03 | Airdate: Jan 15, 2002
Episode: 4x04 | Airdate: Jan 22, 2002
Episode: 4x05 | Airdate: Jan 29, 2002
Episode: 4x06 | Airdate: Feb 5, 2002
Episode: 4x07 | Airdate: Feb 12, 2002
Episode: 4x08 | Airdate: Feb 19, 2002
Episode: 4x09 | Airdate: Feb 26, 2002
Episode: 4x10 | Airdate: Mar 5, 2002
Episode: 4x11 | Airdate: Mar 12, 2002
Episode: 4x12 | Airdate: Mar 19, 2002
Episode: 4x13 | Airdate: Mar 26, 2002
Episode: 4x14 | Airdate: Apr 2, 2002
Episode: 4x15 | Airdate: Apr 9, 2002
Episode: 4x16 | Airdate: Apr 16, 2002
Episode: 4x17 | Airdate: Apr 23, 2002
Episode: 4x18 | Airdate: Apr 30, 2002
Episode: 4x19 | Airdate: May 7, 2002
Episode: 4x20 | Airdate: May 14, 2002
Episode: 4x21 | Airdate: May 21, 2002
Episode: 4x22 | Airdate: May 28, 2002
Episode: 4x23 | Airdate: Jun 4, 2002
Episode: 4x24 | Airdate: Jun 11, 2002
Episode: 4x25 | Airdate: Jun 18, 2002
Episode: 5x01 | Airdate: Dec 1, 2005
BTK Dennis Rader terrorizes Wichita, Kan., for decades, leaving at least 10 murder victims in his wake.
Episode: 5x02 | Airdate: Dec 15, 2005
Nearly 20 years after they first suspect him, police arrest Gary Ridgway, the most prolific known serial killer in U.S. history.
Episode: 5x03 | Airdate: Jan 14, 2006
A deacon suspected of having an affair is found shot to death in Tijuana, Mexico; a woman claims she was assaulted by the man that killed her husband.
Episode: 5x04 | Airdate: Jan 21, 2006
A detective tracks down a man who raped and murdered a 6-year-old girl 10 years earlier; police search for the killer of an 18-year-old hitchhiker.
Episode: 5x05 | Airdate: Feb 4, 2006
Publicity of a man's mandatory release in Texas brings forth a witness to a murder in Michigan.
Episode: 5x06 | Airdate: Feb 18, 2006
A cell phone and an ATM card lead to the apprehension of a rapist.
Episode: 5x07 | Airdate: Mar 11, 2006
Detectives work to solve the 1995 rape and murder of a 14-year-old.
Episode: 5x08 | Airdate: Apr 2, 2006
DNA evidence solves the murder of a female law student; a man confesses to the random killing of a bowhunter.
Episode: 5x09 | Airdate: Apr 9, 2006
In 1987, a young girl is found raped and strangled; in 1983, a young mother is raped and murdered at work.
Episode: 5x10 | Airdate: May 6, 2006
A wiretapped conversation between a suspected killer and his sister cracks a 9-year-old murder case; a geologist finds human bones, solving the murder of a Virginia woman.
Episode: 5x11 | Airdate: Jun 3, 2006
A police detective suspects a killer preys on older women; a protective mother disappears after learning her daughter has been sexually molested.
Episode: 5x12 | Airdate: Jul 8, 2006
Young girls are sexually assaulted while waiting for their school buses; in 1991, a 9-year-old girl disappears from her home and is found murdered.
Episode: 5x13 | Airdate: Jul 15, 2006
A brother is a suspect in the case of a 12-year-old found dead in her home in 1998; a 69-year-old woman is the victim of rape and murder in 1984.
Episode: 5x14 | Airdate: Jul 29, 2006
In 1995, two women are raped in Louisville, Ky.; in 1982, a young man is found murdered in Deadwood, S.D.
Episode: 5x15 | Airdate: Aug 12, 2006
Detective Danny Reyes investigates the 1990 murder of a Fort Worth, Texas woman.
Episode: 5x16 | Airdate: Sep 9, 2006
In 1947, actress Elizabeth Short's corpse is found nude and bisected in an empty lot.
Episode: 5x17 | Airdate: Sep 23, 2006
Police go under cover to catch a man they suspect of killing three prostitutes; a letter opener links a priest to the murder of a nun.
Episode: 5x18 | Airdate: Sep 30, 2006
A banker is beaten to death in his bed; a man with a guilty conscience helps police.
Episode: 5x19 | Airdate: Oct 7, 2006
A missing sailor's sister works to prove he was killed; rape and murder.
Episode: 5x20 | Airdate: Oct 21, 2006
The 1988 rape and murder of a California woman; a jailhouse snitch.
Episode: 5x21 | Airdate: Oct 28, 2006
Two young girls are raped, murdered and dumped in an abandoned house; a 26-year-old mother of three disappears on Christmas Eve in 1995.
Episode: 5x22 | Airdate: Nov 18, 2006
A 25-year-old woman is killed in a hotel room in 1978; a 25-year-old woman is shot to death during a jewelry-store robbery in 1980.
Episode: 5x23 | Airdate: Nov 18, 2006
A woman is found murdered in her mobile home; an Oregon man is shot dead.
Episode: 5x24 | Airdate: Oct 21, 2006
A Detroit cab-company owner is murdered in 1989; in 1986 a woman is found murdered in her bedroom.
Episode: 5x25 | Airdate: Nov 18, 2006
Fingerprints lifted from two beer bottles help a California detective track down a prostitute's killer; the investigations of a woman's murder and the death of a man killed in a car crash use DNA analysis.
Episode: 5x26 | Airdate: Jul 26, 2007
Episode: 5x27 | Airdate: Sep 20, 2007
Episode: 5x28 | Airdate: Oct 14, 2006
