The investigators behind infamous serial killer cases reveal the harrowing, chilling details of their extraordinary efforts in this true crime series.
E1
Body Count: The Green River Killer
The unsolved murders of women around Green River near Seattle haunt investigators for decades — until crime scene science finally catches up.
E2
Manhunter: Aileen Wuornos
A serial killer’s deadly road trip through Florida in 1990 leaves several men dead and spurs investigators to go undercover for an unexpected suspect.
E3
True Lies (1): The Happy Face Killer
Odd suspects, questionable confessions and ever-shifting stories confuse detectives in the hunt for a young Oregon woman's killer in the early 1990s.
E4
True Lies (2): The Happy Face Killer
A consequential letter surfaces with stirring claims and upends the seemingly closed case, calling into question the guilt of the convicted criminals.
2011 · ★ 8.9
2024 · ★ 7.0
2013 · ★ 7.5
2020 · ★ 7.3
2015 · ★ 8.0
2016 · ★ 8.0
2018 · ★ 6.9
2015 · ★ 8.1
2022 · ★ 7.8
2017 · ★ 7.9
2026 · ★ 6.8
2023 · ★ 7.1
2021 · ★ 6.8
2026 · ★ 7.3
2022 · ★ 6.5
2023 · ★ 7.5
2026 · ★ 7.5
2021 · ★ 6.4
2025 · ★ 6.8