Katherine Ramsland

20/20 is an American television newsmagazine that has been broadcast on ABC since June 6, 1978. Created by ABC News executive Roone Arledge, the show was designed similarly to CBS's 60 Minutes but focuses more on human interest stories than international and political subjects. The program's name derives from the "20/20" measurement of visual acuity. The hour-long program has been a staple on Friday evenings for much of the time since it moved to that timeslot from Thursdays in September 1987, though special editions of the program occasionally air on other nights.

Monsters can be found lurking behind any innocent smile and on any street corner in America. Never-before-seen-video footage stares straight into the eyes of these killers who hide in plain sight. Anyone can be a monster.

Spine-tingling crimes that take viewers on a ride of twists and turns, complete with jump-out-of-their-seats moments and chilling conclusions. This show uses classic suspense film techniques to follow some of the creepiest, most harrowing crimes ever committed, as these victims' darkest dreams become unfathomable realities.

Told in captivating, tense, and emotionally wrenching detail by only those involved in and affected by the crime, this series intimately explores this American tragedy and its continued impact and fallout.

Dr. Katherine Ramsland interviews Elmer Wayne Henley, the sole survivor of the 1973 Houston Mass Murders, to unravel his chilling journey from manipulated teen to convicted killer — and the terrifying truth behind the line between victim and predator.

Northern Mysteries is a docudrama-style television program that retells some of the stranger events in Canadian history, dealing with ghosts, paranormal events, lost treasures and bizarre murders. Hosted by Kenneth Welsh each episode usually tackles two events or subjects, by discussing with Journalists, the police and eye witnesses a complete account of what happened, as well as re-enacting the events for entertainment purposes. Original versions of each episode were released in both English and French.

Features conversations with serial killer Dennis Rader from a Kansas maximum security prison, to examine his crimes and psyche.

Delves into the decades long journey of Detective Robert Anzilotti as he works to bring justice to cold case victims linked to serial killer Richard Cottingham.

When four University of Idaho coeds are brutally stabbed to death, brilliant criminology student Bryan Kohberger is accused of their murders.

Outside of Sedona, Arizona where the desert's whispers meet the enigmatic hum of the universe, lies a place shrouded in mystery and bathed in beauty. Welcome to Bradshaw Ranch, a paranormal hotspot that has captivated researchers' imagination for decades. This oasis of awe and wonder, where the mystical dance of vortexes and inter-dimensional portals unfold, has beckoned the curious and the brave to unravel its secrets. For six exhilarating months, a team of intrepid explorers, a fusion of paranormal investigators, psychics, and open-minded scientists, delved into the heart of this enigma. Their mission? To capture on film and record on scientific instrumentation the elusive truth behind the high strangeness of Bradshaw Ranch. What they uncovered transcended the boundaries of our understanding, revealing a profound revelation: we are not alone in the universe.

Albert Fish, the horrific true story of elderly cannibal, sadomasochist, and serial killer, who lured children to their deaths in Depression-era New York City. Distorting biblical tales, Albert Fish takes the themes of pain, torture, atonement and suffering literally as he preys on victims to torture and sacrifice.

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This 7-part season is filled with expert interviews and in-depth portraits of some of America's most infamous killers including John Wayne Gacy, David Berkowitz, Richard Ramirez, James DeAngelo, Aileen Wuornos, Jeffrey Dahmer, Andrew Cunanan, Ted Bundy and many others.

National Vampire is a feature-length documentary that explores vampire culture in the United States. To achieve this, the filmmakers spent more than two years traveling around the country, attending vampire-related events, and interviewing dozens of people involved in the vampire community. Shooting locations include a Vampire’s Ball held in New Orleans each Halloween, a vampire tour of San Francisco, and a New York City shop that “transforms” people into vampires. Also featured are a vampire “dentist” who makes fangs for a living, vampire role playing gamers in Dayton, Ohio, a vampire-themed magician, and a bloodthirsty Texas couple that claims to be the real thing. Going beyond the surface, National Vampire also explores a number of subcultures that overlap the vampire community, including the goth music scene, bondage and S&M, and blood fetishists who take part in piercing and full-body suspension rituals.

The true story of lifelong criminal and serial killer, Carl Panzram who wrote his autobiography for a jail guard in 1928. Carl Panzram was a lifelong prisoner and a hate-filled serial killer. Brutalized in and out of various U.S. state prisons during 20th century America, Panzram unleashed a rampage of revenge that resulted in over 20 murders and countless acts of violent sodomy. A single act of kindness, by prison guard Henry Lesser, sparked a friendship that eventually influenced Panzram to write his autobiography. In 1930, Panzram was hanged for killing a laundry foreman at Leavenworth prison.

Sexual sadist Dennis Rader killed ten people in Wichita, Kansas, over a seventeen-year span, becoming known to police and media as the BTK Killer.

In 1972 Santa Cruz, Calif., police fear multiple serial killers are operating at the same time, as human remains wash upon the shores of the seaside community; victims include children, students, pedestrians and hitchhikers. The story and reality of Edmund Kemper, the "Co-Ed Killer" who appears to be a gentle giant who offers rides to young female hitchhikers but is actually a perverted monster with a tormented childhood and dark sexual fantasies.

The documentary explores what it’s like to grow up the child of one of the most prolific serial killers in American history, Gary Ridgway, the infamous Green River Killer. This special unpacks Ridgway’s horrific crimes, the double life he led, the twenty-year police investigation that brought him down, and the long-lasting effects of a father’s unspeakable sins on his son and family.

“BTK: Confession of a Serial Killer” examines the horrific crimes and psyche of notorious serial killer Dennis Rader. From Wolf Entertainment and Good Caper Content, this gripping documentary provides unprecedented access into the mind of Rader who is currently serving 10 consecutive life sentences in El Dorado Correctional Facility.