Maria Ridulph's 1957 kidnapping and murder shook the town of Sycamore, Ill.

In one of the country's most "embarrassing" cases, German police spent years tracking down a killer only to turn the investigation back on themselves

William Bradford Bishop's crimes and disappearance is the focus of the upcoming episode of 'People Magazine Investigates,' airing Monday, Dec. 23, at 9/8c on ID

A Mississippi feud ended in J. Everett Dutschke framing Paul Kevin Curtis by sending ricin-laced letters to President Barack Obama

Nannie Doss confessed to killing four of her husbands, her mother, sister, two of her children, two of her grandsons, and a mother-in-law over a 27-year killing spree

'The Texas Cheerleader Murder Plot' premieres Wednesday, Dec. 18, at 9/8c on ID and streams on Max

The 2010 murder of Yara Gambirasio led investigators on a three-year investigation that included tens of thousands of DNA samples

Nearly two decades after alleging that three Duke lacrosse players had raped her at a party in 2006, Mangum admitted that she "made up a story that wasn't true"

Serial killer Richard Ramirez first connected with his wife Doreen Lioy when she began writing letters to him in prison in 1988

'Kings of Tupelo' premieres on Netflix on Dec. 11

In her new memoir 'My Time To Stand', Blanchard opens up about her darkest days while serving time for her part in the 2015 murder of her mom

After he failed to steal a car, four men beat and held down serial killer Richard Ramirez until police arrived

Modern forensic testing has helped police identify Tracy Whitney’s killer more than three decades after she was murdered in Washington

The shooting of Baron Li is covered on a new episode of 'People Magazine Investigates,' premiering Dec. 9 at 9/8c on Investigation Discovery

Dr. Buck Ruxton thought he could get away with killing his wife and their maid, but a transformative advancement in forensic science led to his conviction

The attempted murder of Baron Li is the focus of the upcoming episode of 'People Magazine Investigates,' premiering Monday, Dec. 9, at 9/8c on ID and Max

From the ransom note to an unidentified bootprint, these pieces of evidence might hold the key to solving JonBenét Ramsey’s murder

Sylvia Likens, 16, died in October 1965 after months of torture at the hands of her caregiver and multiple others

JonBenét Ramsey was found dead in the basement of her family's Colorado home in December 1996

Jeffrey Dahmer and his brother David Dahmer were separated for much of their childhood following their parents’ divorce