On April 6, 1998 country icon Tammy Wynette was found dead her Nashville home.

On Sept. 27, 2017, media magnate and international playboy Hugh Hefner dies.

Carrie Fisher died in 2016; she was best known for playing Princess Leia in the "Star Wars" films.

Singer Roy Orbison dies at age 52 after collapsing at his mother's house.

Chris Cornell was an American musician, singer and songwriter who struggled with depression.

Florence Ballard, a founding member of the Supremes, dies of a heart attack.

On March 29th 2016, the world is saddened by the news that American sweetheart, Patty Duke has died; as Hollywood's original child star Duke had been charming audiences for over sixty years.

Forensic pathologist, Dr. Michael Hunter, examines Gregg Allman's death certificate and other documents to reveal what was going on inside Allman's body that caused his tragic death.

Chyna's life unravelled after she left WWE and she became infamous as a casualty of drug and alcohol abuse; After a mysterious 4-year-long exile in Japan, Chyna returned to the US intent on reinventing herself.

On April 25, 2002, singer Lisa "Left Eye" Lopes is killed in a mysterious car crash in the depths of the Honduran jungle; initial reports suggest that hers was the only car on the road.

On April 26, 1989, Lucille Ball, America's first lady of comedy, dies in a Los Angeles hospital leaving the world heartbroken; the 77-year-old actress dies of a rupture of the aorta, a life-ending tear of the largest artery in the human body.

Luther Vandross was one of the brightest stars in the music business in the 80 and 90's; Luther's career faltered in the 90's but in the early 2000's he was making a successful comeback when disaster struck, he was the victim of a massive stroke.

In 2015 Aaron Hernandez, was convicted of murdering Odin Lloyd, the boyfriend of his fiancée's sister. And at 3:03 am on April 19, 2017, while serving a life sentence, Aaron Hernandez was found dead in his prison cell.

Dr. Hunter unravels the details of Prodigy's life-long battle with sickle cell anemia and seeks to shed light on the reasons for his death.

After nearly 40 years as the Queen of Disco and First Lady of Love, Donna Summer died from cancer at her home in Naples, Fla., on May 17, 2012, with the public having no idea she was ill.

Garry Shandling's death at 66 shocked his fans and the show business community and during his career he garnered over 60 awards or nominations, including Emmys with his self-analytical and self-deprecating humor.

The music world was stunned when outrageous entertainer and colorful funk star Rick James was found dead by his housekeeper; his excesses took a dark turn when in 1991, he was accused of kidnap and torture, resulting in a prison sentence.

The doctors address the conspiracy theories that surrounded actor Michael Clarke Duncan's sudden death of a heart attack in 2012 at the age of 54.

Actor Jeff Conaway ("Grease") dies on May 27, 2011; Conway is rarely out of work, but there is trouble behind his megawatt smile; his much-publicized battle with addiction causes reporters to speculate that he may have died of an overdose.

Actress Rue McClanahan ("The Golden Girls") dies of a stroke, which is most commonly caused by a blood clot to the brain; however, McClanahan was reportedly taking a powerful anticoagulant medication at the time of her death.

Bill Bixby is a legendary actor, director and producer and has been charming audiences for three decades; he finds fame with "My Favourite Martian" and "The Courtship of Eddie's Father" before cementing his stardom in "The Incredible Hulk."

Legendary business magnate, Hollywood movie producer, record setting pilot and visionary Howard Hughes died at the age of 70 on April 5, 1976.

An investigation into the cause of death for actor Christopher Reeve, who died Oct. 10, 2004, after being paralyzed from a horse riding accident since 1995.

Davy's acting and singing talents garnered international acclaim and by 19 years-old, he was the first of four to be cast in the whacky TV show about a failing pop band, The Monkees.

Actor, producer and director Michael Landon passed away at his Malibu, Calif., home on July 1, 1991, just three months after being diagnosed with pancreatic cancer.