The DNA of a Killer

March 15, 2017

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48 Hours - S29 - E22

A brutal murder - police have DNA evidence, but can't match a killer - so how did a public DNA database lead police to suspect a filmmaker of murder? Anne-Marie Green investigates.

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48 Hours: Season 29 - 37 Episode s

29x1 - Killer App
September 24, 2016
Killer App tells the story of two families whose daughters got involved in online relationships that became a matter of life or death. It's a story that will resonate with millennials, teenagers and parents, who, thanks to so-called "parent proof" platforms, often don't know what their kids are doing on their phones, laptops, tablets or computers until something goes terribly wrong.
29x2 - The Mortician, the Murder, the Movie
October 1, 2016
When an elderly millionaire is found dead in a freezer, her decades-younger companion is brought up on murder charges; the movie inspired by the story, "Bernie."
29x3 - Killer Performance
October 8, 2016
A young woman is murdered, police thought her killer was on the run ... or was he? Correspondent Tracy Smith investigates.
29x4 - Bad Boy
October 29, 2016
The case of Shelley Mook, a young mother and Tennessee school teacher who mysteriously vanished after visiting her ex-husband, is examined.
29x5 - Buried Truth
November 12, 2016
48 HOURS goes inside the missing persons investigation and the stunning revelations her alleged captor, Todd Kohlhepp, 45 year old real estate broker, made to police in "Buried Truth."
29x6 - Hunted
November 19, 2016
Authorities in Colorado race to catch a serial rapist before he attacks again.
29x7 - Live to Tell: Sophia's Secret
November 19, 2016
When a 17-year-old girl breaks up with her abusive boyfriend, he snaps and breaks into her bedroom to attack her.
29x8 - Live to Tell: The Long Road Home
November 26, 2016
48 Hours takes viewers inside international basketball star-turned-tech entrepreneur, Sebastien Bellin's, remarkable eight-month journey of recovery after being nearly killed in the March terrorist attacks in Brussels, in a special Live to Tell: The Long Road Home.
29x9 - The Psychiatrist and the Selfie
December 3, 2016
Jacob Nolan, a young man who claims his psychiatrist manipulated him into trying to kill her ex-lover, speaks out.
29x10 - The Fight for Melissa
December 17, 2016
A day care worker says she loved kids, yet she's in prison for killing one. If she didn't do it, why did she confess? "48 Hours"' Erin Moriarty has the latest in the Melissa Calusinski case.
29x11 - Crime & Punishment
January 7, 2017
A stepfather sits in prison for killing his wife. Her daughters vow to keep him there. Does he deserve parole? Correspondent Tracy Smith investigates.
29x12 - Solve This Case: Who Killed Kay Wenal?
January 28, 2017
Erin Moriarty and 48 HOURS take viewers deep inside the investigation into a hard-to-close murder case, and those investigators ask for help from the audience in "Solve This Case: Who Killed Kay Wenal?"
29x13 - Guilty Until Proven Innocent
February 4, 2017
It's a case that raises questions about the investigation process, about the technology used decades ago, and about how two men can be convicted of a crime when the initial DNA evidence excluded them. Moreover, it's a case that looks at how a new way to examine DNA evidence has the potential to change the outcome in thousands of cases nationwide.
29x14 - Murder in Beverly Hills
February 11, 2017
The investigation into the brutal murder of a beloved Florida doctor reveals his dark, secret past.
29x15 - The Strange Life of Dr. Schwartz
February 11, 2017
The investigation into the murder of a beloved Florida doctor reveals his dark, secret past.
29x16 - Eleven Hundred Miles to Murder
February 18, 2017
A Florida doctor is brutally murdered. Her husband has an airtight alibi, but police travel 1,100 miles for a suspect that looks exactly like him. "48 Hours" correspondent Erin Moriarty investigates.
29x17 - Stalked: Part 1
February 25, 2017
Erin Moriarty and 48 HOURS investigate multiple terrifying cases of stalking and the efforts driven by Pauley Perrette, star of CBS' NCIS, to change laws that she says are outdated or ineffective
29x18 - Stalked: Part 2
February 25, 2017
Singer Christina Grimmie was killed by a stalker and Ivanka Trump has been stalked, too; now, an "NCIS" star is trying to change stalking laws. "48 Hours" correspondent Erin Moriarty investigates.
29x19 - Live to Tell: Afraid of the Dark
March 11, 2017
A woman spends almost two decades searching for the man who kidnapped her from her bedroom and left her for dead when she was 8 years old.
29x20 - Death on Valentine's Day
March 18, 2017
Maureen Maher and 48 HOURS investigate the death of Cory and interview Curtis about the murder case against him.
29x21 - The Alternate Suspects
March 25, 2017
A popular football coach convicted of murder gets a chance at freedom -- can evidence withheld from his trial prove him innocent? "48 Hours" correspondent Richard Schlesinger investigates.
29x22 - The DNA of a Killer
March 15, 2017
A brutal murder - police have DNA evidence, but can't match a killer - so how did a public DNA database lead police to suspect a filmmaker of murder? Anne-Marie Green investigates.
29x23 - The Golden State Killer
April 22, 2017
Comedian Patton Oswalt opens up in his first television interview about his late wife's quest to find the elusive criminal who terrorized Californians by committing 50 rapes and a dozen murders.
29x24 - Episode 24
April 29, 2017
An elite FBI agent shoots his wife after he says she came after him with a knife -- was it self-defense or murder? "48 Hours" correspondent Susan Spencer investigates.
29x25 - The Family
April 29, 2017
The investigation into a cult that originated in Australia and ended up in New York reveals allegations of stolen children, drug use, abuse and a leader who claimed to be the second coming of Christ.
29x26 - Resident Evil
May 6, 2017
The investigation into two double murders committed five years apart leads police to a famous hospital and an unlikely suspect.
29x27 - Murder in the Mansion
May 13, 2017
In 1976, a gunman dressed in black murders two people and wounds two more in the Texas mansion belonging to one of the victims.
29x28 - Murder by Design
May 20, 2017
Did fashion icon Gianni Versace know his killer? A "48 Hours" investigation into the killing spree that ended his life in Miami 20 years ago. Richard Schlesinger reports.
29x29 - Death by Text
June 16, 2017
In her first television interview, Lynn Roy opens up about the death of her son, Conrad Roy III, and the groundbreaking case against Michelle Carter, who prosecutors say caused Roy to kill himself in text messages.
29x30 - Serial Confessions
June 24, 2017
The rescue of a woman found chained in a storage container leads investigators to discover the other crimes of the serial killer who held her captive.
29x31 - Driven to Extremes
October 15, 2017
Peter Van Sant and 48 HOURS investigate a Texas-sized case of love, infidelity, rage and possibly murder.
29x32 - NEEDS DELETED
May 14, 2016
Olympic hero Dave Laut shot six times -- his wife pulled the trigger. Was it murder or self-defense? In her first TV interview, Jane Laut tells Erin Moriarty she's been hiding a secret.
29x33 - NEEDS DELETED
May 21, 2016
Part 1: All 12 living CIA directors share their passionate disagreements about the agency's past, its current mission, and its future
29x34 - NEEDS DELETED
May 21, 2016
All 12 living CIA directors share their passionate disagreements about the agency's past, its current mission, and its future
29x35 - NEEDS DELETED
May 28, 2016
Over the past nine years, Cal Harris has gone on trial for the murder of his wife, Michele, four times. He was convicted twice, even though Michele's body has never been found. Both verdicts were overturned. A third jury couldn't decide. Now a fourth trial. Will this be the final one for Cal Harris?
29x36 - NEEDS DELETED
June 11, 2016
"48 Hours" goes inside the investigation of the death of the UVA student, the evidence that links one man to three horrific crimes, and now, his punishment. Susan Spencer reports. (Updated)
29x37 - NEEDS DELETED
July 10, 2016
A "48 Hours" special on the aftermath of the deadly police shootings in Dallas -- what will it take for America to heal?

29x1 - Killer App

29x2 - The Mortician, the Murder, the Movie

29x3 - Killer Performance

29x4 - Bad Boy

29x5 - Buried Truth

29x6 - Hunted

29x7 - Live to Tell: Sophia's Secret

29x8 - Live to Tell: The Long Road Home

29x9 - The Psychiatrist and the Selfie

29x10 - The Fight for Melissa

29x11 - Crime & Punishment

29x12 - Solve This Case: Who Killed Kay Wenal?

29x13 - Guilty Until Proven Innocent

29x14 - Murder in Beverly Hills

29x15 - The Strange Life of Dr. Schwartz

29x16 - Eleven Hundred Miles to Murder

29x17 - Stalked: Part 1

29x18 - Stalked: Part 2

29x19 - Live to Tell: Afraid of the Dark

29x20 - Death on Valentine's Day

29x21 - The Alternate Suspects

29x22 - The DNA of a Killer

29x23 - The Golden State Killer

29x24 - Episode 24

29x25 - The Family

29x26 - Resident Evil

29x27 - Murder in the Mansion

29x28 - Murder by Design

29x29 - Death by Text

29x30 - Serial Confessions

29x31 - Driven to Extremes

29x32 - NEEDS DELETED

29x33 - NEEDS DELETED

29x34 - NEEDS DELETED

29x35 - NEEDS DELETED

29x36 - NEEDS DELETED

29x37 - NEEDS DELETED

S0: Specials

S1: Season 1

S2: Season 2

S3: Season 3

S6: Season 6

S11: Season 11

S12: Season 12

S13: Season 13

S14: Season 14

S15: Season 15

S16: Season 16

S17: Season 17

S18: Season 18

S19: Season 19

S20: Season 20

S21: Season 21

S22: Season 22

S23: Season 23

S24: Season 24

S25: Season 25

S26: Season 26

S27: Season 27

S28: Season 28

S29: Season 29

S30: Season 30

S31: Season 31

S32: Season 32

S33: Season 33

S34: Season 34

S35: Season 35

S36: Season 36

S37: Season 37

S38: Season 38