S07:É01 - S07:E01 - Pablo Escobar
Ruthless drug lord Pablo Escobar turns Columbia into the murder capital of the world and may have been responsible for 4,000 to 5,000 murders.
S07:É02 - S07:E02 - Son of Sam
David Berkowitz, aka the Son of Sam, goes on a yearlong murderous rampage killing six people in 1976 and bringing New York City to its knees.
S07:É03 - S07:E03 - Bambi Bembenek
Police officer turned killer Laurie Bembenek is convicted of murdering her husband's ex-wife, Christine Schultz; Bembenek claims she was framed for the savage murder.
S07:É04 - S07:E04 - The Boston Strangler
Known as the Boston Strangler, Albert DeSalvo's murder spree claims the lives of 13 women, many of whom he strangled to death with their own nylon stockings.
S07:É05 - S07:E05 - The Nurse Killer Richard Speck
In 1966, mass murderer Richard Speck systematically tortures, rapes and murders eight student nurses from South Chicago Community Hospital.
S07:É06 - S07:E06 - Osama Bin Laden
On the FBI's Most Wanted list for more than a decade, Al Qaeda founder Osama Bin Laden orchestrates an attack against the United States.