Notorious recent cases provide the focus for an examination of cop killings and what can be done to protect those in uniform.

Chicago crime bosses; Al Capone; Anthony "Joe Batters" Accardo; Sam Giancana; Gus Alex.

Dr. Sam Sheppard is convicted of murder in 1954 and retried in the '60s.

The cases of the Freeman brothers and Jeffrey Howarth highlight an examination of murder in the family.

How Bugsy Siegel and others built a glittering gambling mecca from barren desert; includes an interview with former casino manager Frank Rosenthal.

In 1993 Colin Ferguson methodically shoots passengers aboard a Long Island Railroad commuter

Bail bondsmen hire bounty hunters to capture fugitives.

Schoolteacher Pamela Smart enlists a student to kill her husband.

John Wayne Gacy's lawyers discuss the man, the crimes and the case now that his execution has lifted the constraints of their attorney-client privilege.

Technology creates police weapons designed to stun rather than kill.

Strict departmental policies govern high-speed police chases.

In the 1950s, England reels over the case of serial killer John Christie.

A British serial killer lures young men to his apartment and dismembers them.

Interviews with Nicholas "The Crow" Caramandi, former hit men and other experts highlight an examination of the mob hit man. Host: Bill Kurtis.

Recalling the Bamber family murder case, considered by some to be almost the perfect crime.

Richard Ramirez rapes, mutilates and tortures more than 25 California victims.

Three juries consider the murder cases against Erik and Lyle Menendez.

The murders of six prostitutes end with a man's suicide.

Confessions play a part in three unique criminal cases; coercion; admissibility.

After James Hanratty is hanged for a murder, a man confesses to the crime.

Profiling the lives of men and women who choose to work as homicide detectives.

The twisted career and mysterious disappearance of the union boss.

Clever criminal who spent the last 12 years of his crusading against execution.

The cruel story of mistaken identity in the Muriel McKay kidnapping case.

A woman is kidnapped and murdered after inheriting a fortune.

The case of Polly Klaas highlights an examination of repeat offenders who are set loose upon society.

Theories abound concerning President Kennedy's death.

The controversial story of the 1918 murder of Tsar Nicholas II and his family

How society ultimately copes with the prospect of executing a woman.

Englishman Neville Heath was hanged for murder.