第 4 季 共 12 集
播出时间：2022年6月6日
第 1 集 The Ken and Barbie Killers Part 1: Dead Ringer
播出时间：2022年6月6日
From 1987 to 1992, young women were abducted and murdered north of the U.S.-Canadian border. A tip led cops to an unlikely suspect: a blond, blue-eyed accountant who lived with his wife in a pink house in the suburbs.
第 2 集 The Ken and Barbie Killers Part 2: I Kidnapped A Girl
播出时间：2022年6月6日
From 1987 to 1992, young women were abducted and murdered north of the U.S.-Canadian border. A tip led cops to an unlikely suspect: a blond, blue-eyed accountant who lived with his wife in a pink house in the suburbs.
第 3 集 The Back To School Killer Part 1: A Fear in the Air
播出时间：2022年6月13日
When college-aged women go missing, the investigation leads authorities to a local star athlete.
第 4 集 The Back To School Killer Part 2: A Fear in the Air
播出时间：2022年6月13日
When college-aged women go missing, the investigation leads authorities to a local star athlete.
第 5 集 Sammy The Bull Gravano Part 1
播出时间：2022年6月20日
Sammy "The Bull" Gravano was the right-hand man to mafia kingpin, John Gotti. He carried out multiple murders. After his arrest, he broke the sacred oath of silence and cut a deal with the government, testifying against his former boss.
第 6 集 Sammy The Bull Gravano Part 2
播出时间：2022年6月20日
Sammy "The Bull" Gravano was the right-hand man to mafia kingpin, John Gotti. He carried out multiple murders. After his arrest, he broke the sacred oath of silence and cut a deal with the government, testifying against his former boss.
第 7 集 The Hillside Stranglers Part 1: A Pair of Serial Killers
播出时间：2022年6月27日
In the fall of 1977, bodies of young women begin piling up in LA. Almost all of the victims are nude, discarded on hillsides showing signs of torture. It is nearly a year before two murders 1200 miles away uncover the Hillside Stranglers.
第 8 集 The Hillside Stranglers Part 2: She Walked Into the Trap
播出时间：2022年6月27日
In the fall of 1977, bodies of young women begin piling up in LA. Almost all of the victims are nude, discarded on hillsides showing signs of torture. It is nearly a year before two murders 1200 miles away uncover the Hillside Stranglers.
第 9 集 The Cross Country Killer Part 1: He Could Make People Disappear
播出时间：2022年7月11日
Samantha Koenig was closing shop in Anchorage, Alaska, when a man known in the community as a business owner and caring father, approaches. After kidnapping Samantha, an intense manhunt took authorities on a cross country investigation.
第 10 集 The Cross Country Killer Part 2: The Kill Kits
播出时间：2022年7月11日
Samantha Koenig was closing shop in Anchorage, Alaska, when a man known in the community as a business owner and caring father, approaches. After kidnapping Samantha, an intense manhunt took authorities on a cross country investigation.
第 11 集 John Gotti Part 1: It Was Kill or Be Killed
播出时间：2022年7月18日
John Gotti's expensive suits and swagger earned him the nickname Dapper Don. But, in reality, he was a man to be feared. A ruthless, dangerous mafia gangster who ordered hits on his enemies, his friends, and anyone who crossed him.
第 12 集 John Gotti Part 2: There Were Fatal Consequences
播出时间：2022年7月18日
John Gotti's expensive suits and swagger earned him the nickname Dapper Don. But, in reality, he was a man to be feared. A ruthless, dangerous mafia gangster who ordered hits on his enemies, his friends, and anyone who crossed him.
