Season 20

Sep 23, 2011 · 1 hr 30 min

Investigators search for a New Mexico mechanic who has been missing for eight years.

Sep 30, 2011 · 1 hr 30 min

When a woman disappears after an encounter on a train, her family hires detectives to investigate.

Oct 14, 2011 · 43 min

In Someone Was Watching, Cristi Hall, who appeared to have a perfect thirty-year marriage to Chris, but was found dead in the backyard spa. In The Ballad of Mike & Dalia, a story-book marriage, lust, greed and deceit led to an elaborate murder plot that makes reality TV look like a fairytale.

Oct 21, 2011 · 43 min

In October 2009, James Arthur Ray, a renowned self-help author and speaker, held a "Spiritual Warrior" retreat in Sedona, AZ. Three people died during the retreat, and Ray was charged with manslaughter but convicted of a lesser charge.

Oct 28, 2011 · 43 min

A couple meets at the craps table in Las Vegas. She was a beautiful trapeze artist and he was a professional poker player -- with a secret. Did he take a gamble that led to murder?

Nov 4, 2011 · 43 min

The case against Michael Jackson’s doctor, Conrad Murray, is in the hands of the jury, who will decide whether he played a role in the death of the pop star.

Nov 11, 2011 · 43 min

A fatal car crash in Montana may not have been an accident after investigators find a revealing set of text messages.

Nov 18, 2011 · 43 min

Tom Foley is shocked to find himself the lead suspect in the case of his wife Darlene's murder. Thinking the case was over, the defense team is soon approached by a stranger with new evidence that would turn everything upside down.

Dec 2, 2011 · 43 min

A vacation in Aruba that morphed into a mystery, Robyn Gardner went missing and many presume she's dead.

Dec 9, 2011 · 43 min

Susan Cox Powell is a young mother from Utah who suddenly disappears on a winter night in 2009. Dateline NBC's Keith Morrison reports.

Dec 16, 2011 · 43 min

10 Years ago, the accusation that Penn State Coach Jerry Sandusky sexually abused a child, came to the attention of Ray Gricar, the local district attorney. 3 years later Gricar went missing. His laptop was found but the hard drive was unreadable. Could Gricar’s disappearance be linked to the Sandusky scandal? Lester Holt reports.

Dec 23, 2011 · 43 min

Millen, Georgia, a small industrial town so devastated by the Great Recession, its unemployment numbers peaked at 21% - more than twice the national average.

Dec 30, 2011 · 43 min

The story of an unsolved case involving a woman's love triangle that ended in her husband's fatal stabbing in front of their home, but more than two decades later, detectives have re-opened the case and need her help.

Jan 6, 2012 · 43 min

Couple on a honeymoon cruise when George went overboard. An active, ongoing investigation. Royal Caribbean has conducted an investigation about what happened aboard the ship.

Jan 8, 2012 · 43 min

Jennifer Hudson talks about her weight loss, healthy living tips, details of her upcoming nuptials, and more. Also the story of a mother who was found dead in her car off a lonely dirt road. With no arrest in the case, strange sequence of events led investigators to an unlikely suspect.

Jan 13, 2012 · 45 min

Investigators find an unlikely suspect in a woman's death.

Jan 20, 2012 · 43 min

A woman seeks justice for her 18-year-old daughter, who was raped and murdered in an Anchorage state park in 1994.

Jan 27, 2012 · 43 min

Police suspect a woman's estranged husband in her stabbing death, but surveillance video shows he was not at the scene.

Feb 3, 2012 · 43 min

A house guest with tales of grandeur and wealth weaves a web of deceit that ties him to a cold-case murder decades later. The 15-year-old case about the disappearance of David Jackson.

Feb 10, 2012 · 43 min

In the lead up to a murder trial, it begins to look like police arrested the wrong man.

Feb 12, 2012 · 43 min

Two years after the disappearance of his wife, Josh Powell kills his two sons and himself.

Feb 17, 2012 · 43 min

TV producer Bruce Beresford-Redman and his wife Monica who were vacationing with their family at a luxury resort in Cancun Mexico in April 2010. But when Monica was later found dead on the hotel property, Mexican investigators now had a murder mystery on their hands...and a primary suspect, her husband.

Feb 24, 2012 · 43 min

Millionaire developer Bob Ward dancing in his cell just days after his wife, Diane, was shot to death in their Florida mansion. Did the husband pull the trigger? The police think so. His daughters disagree. What will a jury decide?

Mar 2, 2012 · 43 min

Inner-workings of Reliable Day Care, a modern day "social norm" of American child rearing. Not all Day Care operators are who they seem to be and may actually be dangerous.

Mar 4, 2012 · 43 min

The process pharmaceutical companies go through to get a new drug tested, approved, and available to consumers. It may not be as careful as people are led to believe.

Mar 9, 2012 · 43 min

In 2009 a Los Angeles police detective examines the cold case file on an attractive nurse, Sherri Rasmussen, who was murdered in her own home in 1986. At the time it looked like a botched burglary, involving two men but a bite mark containing saliva is found on Sherri's arm and reignites the investigation.

Mar 11, 2012 · 43 min

A group of undercover investigators try to uncover the reason that some lottery retailers actually end up with winning tickets, while the customers who bought the tickets walk away with nothing.

Mar 16, 2012 · 43 min

A father is murdered in broad daylight after he dropped his son off at a daycare and the culprit is as surprising as the reason that the father was targeted for murder.

Mar 18, 2012 · 45 min

A man with a surprising motive shoots a father in broad daylight.

Mar 23, 2012 · 43 min

A young man with a new love goes missing, and family members and detectives crack the case by connecting a series of seemingly random crimes.

Mar 25, 2012 · 43 min

Lester Holt travels to Florida to report the latest information on the story of Trayvon Martin, an unarmed teenager who was killed by a neighborhood watch member; Chris Hansen confronts companies making false promises about their insurance coverage.

Mar 30, 2012 · 43 min

Michelle Young, a 29 year-old woman from Raleigh, N.C., who was found murdered in her home while her husband was away on a business trip and why it took five years to convict the woman's killer. Keith Morrison reports.

Apr 1, 2012 · 43 min

Michelle Young was pregnant when she was brutally murdered while her husband was away.

Apr 6, 2012 · 43 min

A woman accuses her boyfriend of rape and finds herself on the wrong side of the law. A he said, she said case turns into a quest for revenge.

Apr 8, 2012 · 43 min

A divorced mother of four children, who was accused of a heinous crime and then served 15 years in prison for the same wrongdoing even though there are many that claim the horrible crime never actually happened.

Apr 15, 2012 · 43 min

A look into how much parents and children really know about the danger of abduction; as a test, elementary school children are offered a tour of an ice cream truck and a stranger asks young teens for their names and personal addresses.

Apr 13, 2012 · 43 min

A millionaire from Newport Beach who was murdered in 1994, the investigation went cold, but 15 years later his widow and an ex-football player were arrested for the crime.

Apr 20, 2012 · 43 min

A man accused of murdering a prostitute in 2003. His wifevrecently testified against her husband and revealed that he confessed the murder to her before threatening her into silence.

Apr 22, 2012 · 43 min

A Penn State professor and consultant to MADD, investigate what really happens when teenagers start driving; teenagers are tested in three different and potentially dangerous driving situations.

Apr 27, 2012 · 43 min

Meredith Vieira interviews 11 year-old Sean Goldman, the boy who was kidnapped by his mother when he was four and taken to Brazil, about the entire ordeal, the repercussions in his life now, and what it's like to live with his biological father.

Apr 29, 2012 · 43 min

Natalie Morales and Rosalind Wiseman, an expert on teen ethics and behavior, investigate what happens when teens are confronted with the temptation to cheat: tests include using cell phones during tests and changing scores in athletic drills.

May 4, 2012 · 43 min

The story of Ben Oxley, a 36 year-old who was murdered while he was asleep next to his wife, and new reports about how the accused murderer was able to break in to the house, and leave without leaving any trace of forensic evidence behind him.

May 6, 2012 · 43 min

Despite the fact that the current generation of American children is the most diverse in history, some teens may not know what to do when confronted with racial and ethic discrimination and how damaging such occurrences of discrimination can be.

May 11, 2012 · 43 min

Jane Bashara, wife and mother of two from upscale Grosse Pointe Park, Michigan, is found murdered in her Mercedes SUV that’s been left in a seedy Detroit alley. Her husband's secret life makes the police suspect that he may have been involved in the murder.

May 13, 2012 · 43 min

A boy who claims that he is victim of bullying is charged with manslaughter; Colonel Greg Gadson shares his inspirational story; Chris Hansen investigates Tronix Country's business deals; an update from a small town affected by the Great Recession.

May 20, 2012 · 43 min

Keith Morrison reports the story of Steven B., a radio DJ who was found dead in the waters off of Catalina Island, and why solving his murder took five years.

May 18, 2012 · 43 min

After a prominent attorney from Nevada is found murdered, the investigators were led to two suspects, but could not determine the nature of their relationship.

Jun 3, 2012 · 43 min

A former radio DJ and multi-millionaire disappears from his yacht in the Pacific Ocean, but investigators discover he didn't drown.

Jun 1, 2012 · 43 min

An Iowa mother, home alone with her three kids, is attacked and the confrontation turns fatal. But is the truth more twisted than anyone could imagine?

Jun 8, 2012 · 43 min

A college student is murdered in her Dallas condo. Although there are a few possible suspects, the case eventually goes cold. Years later, her friend’s calls to the police lead to the case being reopened, and eventually solved.