She was the abducted and murder child whose tragic story prompted the establishment of the Amber Alert system. She was riding her bike in broad daylight when a man stopped and threw her screaming into his truck.

A tenure dispute in Alabama became a blood bath when professor Amy Bishop opened fire at a faculty meeting.

The men responsible for one of the most shocking terrorist attacks within America &mdash the Oklahoma City bombing.

The pleasant British family doctor who is believe to have murdered up to 260 of his patients, making him perhaps the most prolific serial killer in history. Shipman mocked his victims and used derogatory codes for them, such as WOW - Whining Old Woman---and FTPBI - Failed To Put Brain In. He also viewed himself as the "star" of his trial.

When his marriage went downhill, this male nurse began to relieve the tensions from domestic failure, depression, alcoholism and chronic debt by injecting patients with medicines that were deadly. He was dismissed by several hospitals who suspected that he was killing patients, but employment laws in PA and NJ made hospitals liable if they gave negative comments about former employees. He confessed to murdering 35 patients, but the number may be closer to 40.

American Amanda Knox and boyfriend Raffaele Sollecito are standing trial in Italy for killing Kercher, Knox's English flatmate. Is this an international web of sex, lies and murder or a miscarriage of justice?

A 12-year-old is charred and tortured to death. One of her killers is released early. Three new chapters update you on this story.

This classic has to be one of the most enduring murder mysteries America has ever produced. Elderly Andrew Borden, still in his heavy morning coat, reclines on a mohair-covered sofa, his boots on the floor so as not to soil the upholstery. As he naps, his wife, Abby, is on the floor of the guestroom upstairs, dead for the past hour and a half, killed by the same hand, with the same axe, that is about to strike him, as he sleeps.

The bloodiness of the acts is startling. Along with the gruesome nature of the crimes is the unexpected character of the accused, not a hatchet-wielding maniac, but a church-going, Sunday-school-teaching, respectable, spinster-daughter, charged with parricide, the murder of parents, a crime worthy of Classical Greek tragedy. Many people believed she killed her father and stepmother, but recent forensic research suggests that she didn't.

Marie Hilley is a mystery. Her presence still hovers over her family and friends, and with it the deeply painful questions with no answers. What made her do such ghastly things? What motivated her complicated stories and alibis? Was there anybody that she truly loved? And, finally, who was the real Marie?

Those who should have known her best knew her least. Marie murdered her husband, but it didnt stop there. She poisoned her daughter and other close relatives. Her murderous escapades undermined what should have been the most sacred of family relationships. When it appeared she would finally be brought to justice for her crimes, she disappeared and began life anew with an assumed identity. One persona after another, discarded when it no longer suited her needs. The story of Marie Hilley is a study in deceit, pathological obsession and serial murder.

On Monday, December 10, 2001, 57-year-old Robert Schwartz, a nationally reknown scientist in biometics and DNA research, did not show up for work. His coworkers phoned a neighbor to check on him. He had lived alone since his wife had died and was usually quite punctual, so they were worried. They had good reason to be. His corpse was found face down in his log-and-slate farmhouse, some forty miles west of Washington, D.C. He had been stabbed repeatedly with a sharp knife-like implement two days earlier and left to die. Investigators who arrived at the scene could clearly see an 'X' carved into the skin on the back of Schwartz's neck, which seemed to indicate that the murder was ritualistic.

Police had seized several knives, swords, and documents about human sacrifice in the Wiccan tradition. The "X" was thus surmised to be an occult symbol. Also, they had seized a computer and two black cloaks from a home in Haymarket. Finally they pieced together a strange and deadly web of relationships. The actual killer had a fascination with medieval wizardry and weaponry and was deeply involved in roleplaying games that involved vampire imagery. His confession shocked the country.

What kinds of pressures drive fathers to murder their children? Dr. Katherine Ramsland provides some answers and looks at some high-profile cases.

Initially actor George Reeves' fatal gunshot wound was ruled a suicide. His very popular Superman series had been cancelled and he was naturally despondent, but forensic evidence suggests that it wasn't a suicide at all, but a very clever murder.

Quite by accident, federal agents learned of his terabytes of electronic files was Pellicano's work as Hollywood's wiretapper to the stars, illegally intercepted telephone conversations of the rich and famous. Some of these wiretaps were ordered by powerful attorneys and executives seeking an unfair advantage in legal disputes. Some of the intercepted conversations concerned personal matters, like divorce and child custody disputes. Much of it was business as usual, Hollywood-style. All of it was obtained illegally.

Hollywood's most famous murder case took place in post-war Los Angeles. Elizabeth Short, an engagingly attractive young woman was found brutally murdered and dumped in a vacant lot. She was called the "Black Dahlia" because she always dressed in black. This unsolved case became an obsession and will continue to be legendary when the Black Dahlia movie comes out this fall with an all-star cast.

Vivacious and beautiful North Dakota college student is abducted, tortured, raped and murdered. Level 3 sex offender Alfonso Rodriquez goes to trial and could become first person executed in ND in over 100 years. Dru's Law, if enacted, would create a national sex offender registry.

Legendary lawyer defends distinguished black doctor who bought a home in a white Detroit neighborhood. Mob threatens the house, shots ring out and a white man dies. The doctor and his defenders face murder conspiracy charges.

10 years after the murder of his ex-wife and her friend, the former football star continues to stir controversy. Analysis of the murder and road rage trials, forensics.