Boyfriends and serial killers were just a couple of theories surrounding the 1987 disappearance of Vickie Eddington.

Investigators, led by FBI veteran Vince Pankoke, discovered Anne Frank's father had received an anonymous letter after the war naming Arnold van den Bergh as the person who betrayed the family by providing their location to the Nazis in 1944. 

The Federal Bureau of Investigation has released an alert on Maura Murray from their Violent Crime Apprehension Program, which tracks serial offenders.

In "The Real Murders Of Atlanta," each hour-long story in the series brings Atlanta’s hustle and deadly decadence into sharp focus. It’s the different side of the New South, where deadly battles for status and affluence emerge between those who are willing to kill for the good life and those willing to kill to keep it. 

After Jennifer Blagg disappeared from her Colorado home, investigators discovered her husband, Michael Blagg, was hiding shocking secrets.

After Jennifer Blagg disappeared from her Colorado home, investigators discovered her husband, Michael Blagg, was hiding shocking secrets.

Investigators follow a trail of voodoo curses and a friendship gone deadly to solve a brutal Brooklyn homicide.

Who beat successful Atlanta tech mogul Lance Herndon to death? Investigators followed the trail of the women in his life to find out.

Candy Montgomery embarked on affair with her best friend's husband — an affair that ended with 41 axe strokes.

Nicholas Rossi, who also goes by Nicholas Alahverdian and other aliases, faced fraud and sexual assault charges in Utah and Ohio when he fled the country and faked his death, according to the authorities.

Dr. Mario Gonzales was happy to hire his child's nanny's son Noel Garvan-Cerna on as a ranch hand. The decision seemingly cost him his life.

Investigators looked for the link between two brutally families murdered just days apart in Virginia. A wedding ring proved key to solving the cases.