TV Appearances
Diane has appeared on multiple television shows throughout the years. Most frequently, she has been invited to give a psychological perspective on the people involved in the crimes. Here is a sampling of her appearances.
A&E Crime Central
Episode: Casey Anthony: How Did We Get Here?
Casey Anthony stood accused of the murder of her two-year-old daughter, Caylee. Explore Anthony’s life, behavior and the series of lies that led to the massive public outcry over her acquittal in this sensational case.
48 Hours
Episode: Til Death Do Us Part
It seemed like life in the small town of Selmer, Tennessee, revolved around the well-known and beloved church pastor Matthew Winkler. Matthew, along with his wife Mary and their three daughters, were seen as a perfect family — until parishioners discovered their pastor’s body in the family’s home, and Mary and the daughters were nowhere to be found.
48 Hours
Episode: The Widow on Solway Road
One woman, two husbands dead under strange circumstances – could she be that unlucky? “48 Hours” correspondent Erin Moriarty investigates.
20/20
Episode: Dead Man Talking
A Texas veterinarian is accused of murdering her military hero husband
20/20
Episode: Goodnight Mother
Julie Rea was in prison for her 10-year-old son’s murder until Diane helped crack open the case, leading to a serial killer confessing to the crime.
20/20
Episode: Doctor Deceit
His deceit turned deadly for patient Maria Cruz, who saw Faiello for a procedure after authorities had already charged him for practicing medicine without a license.
20/20
Episode: Can I Prey First
Forensic Files
Episode: A Novel Idea
Novelist Michael Peterson discovers his wife at the bottom of the stairs. After his arrest a 16- year-old secret emerges
The New Detectives
Episode: Written in Blood
The murder of Kathleen Peterson
No One Saw a Thing
Diane in episodes 1, 3, 5
Episode 1: The Killing of Ken Rex McElroy
Examines an unsolved and mysterious death in Skidmore, Missouri, 1981, after a resident is shot dead vigilante style in front of almost 60 townspeople, who deny having seen anything.
Episode 3: Don’t mess with Skidmore
Skidmore admits to a history of violence toward those who don’t fit in. The FBI arrives and turns to the sheriff’s role in the crime. The town begins to pay a different kind of price.
Episode 5: A Pound of Flesh
New clues bring hope for closure. Sheriff Espey is now confident that Branson Perry was a victim of homicide due to drug world connections, but will his evidence be enough to file charges? Tragedy visits Skidmore again when Bobbie Jo Stinnett is murdered at 8 months pregnant, her baby stolen from her womb.
Snapped
Diane appears in multiple episodes about women killers who snapped.
Deadly Women
Deadly Sins
Diane was in multiple episodes of nearly every season of Deadly women, including Blood for Money, Hearts of Darkness, Mothers Who Kill, Till Death do Us Part, Love Gone Wrong, An Inconvenient Marriage and many more. Although once available on YouTube, the show is now available on multiple streaming services.
On the Case with Paula Zahn
Diane is on multiple episodes including A Mother’s Nightmare and Taken. Now streaming on Hulu and HBO Max.
Award winning journalist Paula Zahn unravels shocking crimes interviewing those closest to the case including lawyers, the victim’s family, and detectives.
E! True Hollywood Story
Deadly Sins
Episode: Lust–Insatiable
A lecherous psychopath’s lust for adolescent girls ends in the destruction of five innocent lives.
New York Homicide
Episode: Dr. Fraud
Maria Cruz sought medical help but instead received death from a doctor operating without a license.
The Pastor’s Wife
Diane’s book of the same name was optioned for this Lifetime movie
The story is based on the real-life 2006 media sensation where Mary Winkler murdered her small-town preacher husband.
I Survived a Serial Killer
Season One, Episode 5
Fabienne Witherspoon confronted the serial killer Tommy Lynn Sells and lived to tell the tale.
Behind Mansion Walls
Diane appears in the following episodes
Season 1, episode 1: The Enemy Within
The murder of Caren Koslow and the Society Murders in Melbourne, Australia
Season 2, episode 7: A Killer’s Smile
The murder of Maria Cruz by Dean Faiello
Season 3, episode 8: A Bankrupt Heart
The murder of Janet March
Season 3, episode 13: Blood Money
The attempted murder of Heather Grossman in Boca Raton, Florida and the Murder of Rozanne Gailiunas in Richardson, Texas
Write Around the Corner
Bride Killa
Season 1, episode 5: Killer Tide
The death of Vince Viafore on the Hudson river
An American Murder Mystery:
The Staircase
Season 1, episode 1: I whispered Her Name
Investigators discover novelist Michael Peterson clutching his dead wife Kathleen, in a pool of blood at the bottom of their back staircase. Michael insists that her death is the result of a tragic fall, but investigators believe otherwise.
Season 1, episode 2: Lightning Strikes Twice
Investigators are stunned to discover that sixteen years ago, Michael Peterson’s good friend Liz Ratliff also died at the bottom of a staircase, lying in a pool of blood. The trial begins and experts battle over the interpretation of blood spatter.
Season 1, episode 3: Reversal of Fortune
The defense unveils what they claim is a long sought-after piece of evidence. The prosecution is caught off guard. Then, bombshell revelations about an expert witness threaten to unravel the entire case and give Michael Peterson a shot at freedom.
The Staircase
Diane’s book Written in Blood was optioned to produce this limited series on HBOMax
Southern Fried Homicide
Season 1, Episode 4
Beloved preacher Matthew Winkler and his loving wife, Mary, seem like two peas in a pod. But they’re hiding some scandalous secrets.