Seasons and episodes
1Season 1 Nov. 07, 2016
1 - 1The Long Island Serial Killer: The Lost Girls Nov. 07, 2016
1 - 2The Long Island Serial Killer: New Revelations Nov. 07, 2016
1 - 3What Happened to Baby Lisa? Nov. 14, 2016
1 - 4Stranger Than Fiction Nov. 21, 2016
1 - 5Cabin 28: Horror in the Woods Nov. 28, 2016
1 - 6Hollywood Horror Story Dec. 05, 2016
1 - 7In the Name of Love Dec. 12, 2016
1 - 8JonBenét: The Untold Truth Dec. 19, 2016
1 - 9The Grim Sleeper Dec. 26, 2016
1 - 10The Darkest of Nights Jan. 02, 2017
1 - 11Jeffrey MacDonald: The Accused Jan. 09, 2017
2Season 2 Nov. 07, 2017
2 - 1The Golden State Killer Caught Nov. 07, 2017
2 - 7Marked for Murder Dec. 18, 2017- 2 - 7Marked for Murder Dec. 18, 2017
2 - 8Killing Field Jan. 01, 2018- 2 - 8Killing Field Jan. 01, 2018
2 - 9Blood In the Sand Jan. 08, 2018- 2 - 9Blood In the Sand Jan. 08, 2018
2 - 10My Father, the Serial Killer Jan. 15, 2018- 2 - 10My Father, the Serial Killer Jan. 15, 2018
2 - 12Death Before Dawn Jan. 29, 2018- 2 - 12Death Before Dawn Jan. 29, 2018
3Season 3 Nov. 06, 2018
3 - 1Somebody's Watching Nov. 06, 2018
3 - 2Terror in Philadelphia Nov. 13, 2018
3 - 3Gone in 90 Seconds Nov. 20, 2018
3 - 4Fallen Angels Nov. 27, 2018
3 - 5Mystery in the Swamp Dec. 04, 2018
3 - 6Murder Among Friends Dec. 11, 2018
3 - 7Gone Girls Dec. 18, 2018
3 - 8Fatal Family Secrets Jan. 08, 2019
3 - 9Murder on Newberry Street Jan. 15, 2019
3 - 10The Unicorn Killer Jan. 22, 2019
3 - 11Children of Thunder Jan. 29, 2019
3 - 12Monster in the Desert Feb. 05, 2019
3 - 13The Sound of Silence Feb. 12, 2019
3 - 14Burned Alive Feb. 19, 2019
3 - 15Who Killed Jane Doe 59? Feb. 26, 2019
4Season 4 Nov. 04, 2019
4 - 1The Springfield Three Nov. 04, 2019
4 - 2Vanished Nov. 11, 2019
4 - 3Without a Trace Nov. 18, 2019
4 - 4The Freeway Phantom Nov. 25, 2019
4 - 5A Killing In Chinatown Dec. 02, 2019
4 - 6Memphis Blues Dec. 09, 2019
4 - 7Law & Murder Dec. 16, 2019
4 - 8Nine Years in the Shadows Dec. 23, 2019
4 - 9The Cheerleader and The Hitman Dec. 30, 2019
4 - 10Oklahoma Horror Story Jan. 06, 2020
4 - 11Suburban Secrets Jan. 13, 2020
4 - 12Motor City Murder Jan. 20, 2020
5Season 5 Mar. 22, 2021
5 - 1Highway of Horrors Mar. 22, 2021
5 - 2Jenner Beach Murders Mar. 29, 2021
5 - 3Flight Risk Apr. 05, 2021
5 - 4The Delphi Killer Apr. 12, 2021
5 - 5Blood Ties Apr. 19, 2021
5 - 6The Hollywood Ripper Apr. 26, 2021
5 - 7Little Girl Gone May. 03, 2021
5 - 8The Price of Fame May. 10, 2021
5 - 9A Crimson End May. 17, 2021
5 - 10Is Rodney Reed Innocent? May. 24, 2021
5 - 11Red Christmas May. 31, 2021
5 - 12Bible Belt Massacre Jun. 07, 2021
6Season 6 Jun. 06, 2022
6 - 1Groene Family Massacre Jun. 06, 2022
6 - 2Mother's Orders Jun. 13, 2022
6 - 3Alibi Jun. 20, 2022
6 - 4Valley of Death Jun. 27, 2022
6 - 5The Colorado Hammer Jul. 11, 2022
6 - 6Evil Comes to Jasper Jul. 18, 2022
6 - 7American Nightmare Jul. 25, 2022
6 - 8The Grudge Aug. 01, 2022
6 - 9Gone in the Night Aug. 08, 2022
6 - 10Darkness in the Desert Aug. 15, 2022
6 - 11Natural Born Killers Aug. 22, 2022
6 - 12Infamous Pam Hupp Aug. 29, 2022
6 - 13Candy and Betty Sep. 05, 2022
7Season 7 Jul. 10, 2023
7 - 1Girl Scout Murders Jul. 10, 2023
7 - 2The I-70 Killer Jul. 17, 2023
7 - 3Where is Mark Himebaugh? Jul. 24, 2023
7 - 4Final Rodeo Jul. 31, 2023
7 - 5The Strange Disappearance of Karlie Gusé Aug. 07, 2023
7 - 6Brighton Ax Murder Aug. 14, 2023
7 - 7Who Killed Our Girls? Aug. 21, 2023
7 - 8Held Captive Aug. 28, 2023
7 - 9Dead in Bed Sep. 04, 2023
7 - 10Star Crossed Killers Sep. 11, 2023
7 - 11The Times Square Killer Sep. 18, 2023
7 - 12Manhunt Sep. 25, 2023
8Season 8 Oct. 28, 2024
- 8 - 1The Boogeyman Oct. 28, 2024
- 8 - 2Sex. Clowns. Murder. Nov. 04, 2024
- 8 - 3Sex clowns murder Nov. 04, 2024
- 8 - 4The Soccer Mom Murder Nov. 11, 2024
8 - 5Where is Kristin Smart? Nov. 18, 2024- 8 - 6The Serial Killer's Playbook Nov. 25, 2024
- 8 - 7The Aloha Murder Dec. 02, 2024
- 8 - 8Teenage Assassins Dec. 09, 2024
- 8 - 9Knives Out Dec. 16, 2024
- 8 - 10My Father Was a Mass Murderer Dec. 23, 2024
- 8 - 11Inferno of Lies Dec. 30, 2024
- 8 - 12The Indiana Slasher Dec. 30, 2024
9Season 9 Jan. 12, 2026
9 - 1Vanished in the Heartland Jan. 12, 2026- 9 - 2Death in Hell's Kitchen Jan. 19, 2026
- 9 - 3Sex House Homicide Jan. 26, 2026
- 9 - 4Playing with Fire Feb. 02, 2026
- 9 - 5The Serial Killer Who Only Killed Once Feb. 16, 2026
- 9 - 6Looking for Angela Feb. 23, 2026
- 9 - 7The Girl on the Bike Mar. 02, 2026
- 9 - 8The Final Cut Mar. 09, 2026
- 9 - 9Love, Lies, and Lust Mar. 23, 2026
9 - 10Deadly Ride Mar. 30, 2026- 9 - 11The Truth is in the Dirt Apr. 06, 2026
- 9 - 12Where is Judith? Apr. 13, 2026
Synopsis
Uncover the heart-wrenching true stories behind crimes that transcended headlines and became part of popular culture. Exclusive first hand interviews reveal shocking twists, new evidence, and unexpected resolutions.
Original title People Magazine Investigates
TMDb Rating 7.6
First air date Nov. 07, 2016
Last air date Oct. 02, 2023
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