E1 - Arturo Gattis Last Fight

Aired: September 24, 2011

The 2009 death of boxer Arturo Gatti is investigated to determine whether he committed suicide or was murdered.

E2 - Amanda Knox: The Untold Story

Aired: October 08, 2011

Following the acquittal of Amanda Knox this week, "48 Hours Mystery" will broadcast "Amanda Knox: The Untold Story". 48 Hours reveals Knox's personal accounts of cruel manipulation and sexual intimidation while in prison. Plus, never-before-seen video diaries from Amanda's best friend, Madison Paxton, collected over 10 months. Paxton moved to Italy to support Amanda and help fight for her freedom.

E3 - Redemption Song

Aired: October 15, 2011

After a murder rocks the Austin, Texas, music scene, a call to police from an angry wife blows the 26-year-old cold case wide open. Tracy Smith reports.

E4 - The Killing Fields

Aired: October 22, 2011

Can a Hollywood movie help solve the most notorious killing spree in Texas? Erin Moriarty reports.

E5 - Murder in the O.C.

Aired: October 29, 2011

An update on the 1994 murder of millionaire William McLaughlin in his Newport Beach, Cal., home. Former NFL linebacker Eric Naposki was convicted of the crime, but he claims he is innocent and speaks about the case.

E6 - Private Needham's War

Aired: November 12, 2011

A decorated soldier who was medievac-ed from Iraq and later diagnosed with traumatic brain injury (TBI) and post-traumatic stress disorder (PTSD) remembers little of the beating that he gave his 19-year-old girlfriend who died from his hands.

E7 - Murder at the Manor

Aired: November 26, 2011

A Cajun millionaire turned English gentleman becomes a suspect in a murder investigation.

E8 - Secrets of a Marriage

Aired: December 03, 2011

The 2007 shooting death of Jocelyn Earnest, who was found in her Virginia home with a gun and a suicide note, is investigated. Her husband, Wesley, an assistant high-school principal, is a chief suspect in the case.

E9 - The Long Island Serial Killer

Aired: December 17, 2011

A major break in the Long Island Serial Killer case. The 18-month search for a missing New Jersey woman finally came to an end this week when police on Long Island, New York, announced the discovery remains believed to be 23-year-old Shannan Gilbert. On Saturday, Dec. 17, 2011, the remains were positively identified as Gilbert. As "48 Hours Mystery" correspondent Erin Moriarty reports, the search for Gilbert uncovered a greater mystery. Erin Moriarty has the latest developments.

E10 - Family Affair

Aired: January 07, 2012

In a small Southern town, an extramarital affair turns into a fatal family affair. Susan Spencer reports.

E11 - Showdown In The Bedroom

Aired: January 21, 2012

A 25-year marriage comes to a violent end. Now, a jury must to decide -- did a wife have the right to kill? Richard Schlesinger reports.

E12 - A Fatal Attraction

Aired: January 28, 2012

Was a teenage girl involved in stabbing her own mother to death... and was it all over a boy? Forbidden young love ends with a mother's violent murder. Richard Schlesinger reports.

E13 - Dark Side of Paradise

Aired: February 04, 2012

When an American goes missing from his sailboat in the Caribbean, his nephew follows the trail with the help of a journalist-turned-manhunter. Peter Van Sant reports.

E14 - Screenplay for Murder: The Diary of a “Dexter” Wannabe

Aired: February 11, 2012

When Gilles Tetreault arranged to meet a woman he met on an online dating site, he had no idea of the horror that would unfold. Tetreault says he came face-to-face with a madman who had set a trap to kill him. Tetreault was attacked and barely escaped with his life. Johnny Altinger answered a similar online dating ad and disappeared without a trace. Was there really a crime, or was this an elaborate setup for a screenplay for murder? Troy Roberts reports.

E15 - Soccer Moms Confidential

Aired: February 18, 2012

Maureen Maher’s report, “Soccer Moms Confidential,” uncovers the story behind the P.I. Moms, and investigates the man that started it all, Chris Butler. It’s a story allegedly fueled by fame, money, drugs and corruption. Interviews with key players, including the reporter who broke the story and the whistleblower who helped the DOJ bring Butler down, paint a disturbing portrait of an aggressive promoter, an alleged master manipulator. In a special appearance, Dr. Phil tells 48 HOURS what motivates a con man and how easily people are drawn in.

E16 - Fatal Episode: The Producer's Story

Aired: February 25, 2012

In April 2010, former reality television producer Bruce Beresford-Redman, his wife, Monica, and their two young children traveled to Cancun, Mexico for a family vacation. On April 8, Monica’s naked, beaten body was discovered in a sewer on the property of the Moon Palace Resort where the family was staying. The vacation was an attempt to save their troubled marriage. The Emmy-nominated producer became a prime suspect in the murder of his wife. Troy Roberts reports.

E17 - The Country Club Murders

Aired: March 03, 2012

Professional poker player Ernie Scherer III is the chief suspect in the 2008 murders of his parents, Ernest Scherer Jr. and Charlene Abendroth, in their Pleasanton, Cal., home.

E18 - The Boy Next Door - Updated

Aired: March 10, 2012

An update on the 1993 Tricia Pacaccio murder investigation near Chicago, as well as two other slayings and a brutal attack near Los Angeles. The crimes were allegedly committed by Michael Gargiulo, who knew or lived near all four victims.

E19 - Grave Injustice - Updated

Aired: March 17, 2012

An update on the case of Anthony Graves, who spent 18 years in a Texas prison for murders he did not commit.

E20 - Arturo Gatti's Last Fight - Updated

Aired: March 24, 2012

The dramatic conclusion: Two years after retiring, did world championship boxer Arturo Gatti kill himself or was he murdered? Erin Moriarty has the official findings and the answer to who gets his millions.

E21 - A Family's Honor

Aired: April 07, 2012

The story of 20-year-old Noor Almaleki, a woman who was struck and killed by her own father's accelerating SUV while she was crossing a parking lot in suburban Phoenix, and how this was the first case in the U.S. prosecuted as an "honor killing".Troy Roberts reports.

E22 - The Stranger Beside Me

Aired: April 14, 2012

The story of Jamie Laiaddee, a woman who vanished from her home in March of 2010, and how her live-in boyfriend told everyone that she moved to Denver for a new job, but detectives would soon discover that the boyfriend was a con man. Erin Moriarty reports.

E23 - Mystery on Twin Peaks Drive

Aired: April 21, 2012

The 1998 death of Ronda Reynolds in Toledo, Wash., is investigated to determine whether it was a suicide or a murder. Author Ann Rule, who wrote a book ("In the Still of the Night") on the case, is interviewed.

E24 - Death Wish

Aired: April 28, 2012

After Jeffrey Locker's family reported him missing, New York City Police discovered the body of the Long Island businessman and motivational speaker slumped over the steering wheel of his car in Harlem. Initially, it appeared that Locker had simply been in the wrong place at the wrong time; however, when authorities tracked Locker's ATM card to Kenneth Minor and questioned him, Minor made a startling allegation to the motive behind the murder: Locker had begged Minor to kill him.

E25 - The Writing on the Wall

Aired: May 05, 2012

An investigation into the 2009 murders of the wife and two sons of a security chief for Joyce Meyer Ministries.

E26 - Ransom

Aired: May 12, 2012

A complex case of kidnapping and extortion unfolds in the April 2008 vanishing of the son of a millionaire aviation-business owner. Peter Van Sant reports.

E27 - One of Their Own - Updated

Aired: May 26, 2012

A cold case turns white hot as police finally charge one of their own in a 1986 murder case. Maureen Maher has an update.