ABC News

20/20: The Au Pair, The Affair, and Murder on ABC investigates the murder of Joseph Ryan and Christine Banfield in Virginia in 2023. The case involves au pair Juliana Peres Magalhaes and a complex investigation of the Banfield couple.

20/20: Lost in the Night on ABC and Disney+ documents the investigation into Jessica Currin's tragic death, a case marked by countless false leads and unexpected revelations. The documentary sheds light on the authorities' efforts to uncover the truth behind the young woman's fate.

20/20: Lost in the Night on ABC and Disney+ documents the investigation into Jessica Currin's tragic death, a case marked by countless false leads and unexpected revelations. The documentary sheds light on the authorities' efforts to uncover the truth behind the young woman's fate.

Shawn Grate was arrested in Ashland, Ohio in September 2016, after a kidnapped woman managed to call 911 while he was asleep. The episode examines Grate's pattern of abductions and the many victims who disappeared without a trace.

Shawn Grate was arrested in Ashland, Ohio in September 2016, after a kidnapped woman managed to call 911 while he was asleep. The episode examines Grate's pattern of abductions and the many victims who disappeared without a trace.

Shawn Grate was arrested in Ashland, Ohio in 2016, after a kidnapped woman managed to call 911 while her captor slept beside her. The episode documents the first hours of the investigation and the crucial police work by Detective Kim Mager.

Shawn Grate was arrested in Ashland, Ohio in 2016, after a kidnapped woman managed to call 911 while her abductor slept next to her. The episode documents the first hours of the investigation and the crucial police work by Detective Kim Mager.

Hossein Nayeri became the prime suspect in one of California's most sadistic criminal cases in 2012, when two victims were kidnapped and tortured in the Mojave Desert. Episode 2 of Devil in the Desert follows the initial steps of the investigation and the complex cat-and-mouse game between the police and the perpetrators.

Hossein Nayeri became the main suspect in one of California's most sadistic criminal cases in 2012, when two victims were abducted and tortured in the Mojave Desert. Episode 2 of Devil in the Desert follows the initial steps of the investigation and the complex cat-and-mouse game between the police and the perpetrators.

Hossein Nayeri was behind one of California's most cold-blooded kidnapping and torture cases in 2012, when he and several accomplices abducted the owner of a medical marijuana store. The episode Cat and Mouse follows the international manhunt for Nayeri after the violent assaults in the Mojave Desert.

Hossein Nayeri was behind one of California's most cold-blooded kidnapping and torture cases in 2012, when he and several accomplices abducted the owner of a medical marijuana dispensary. The episode Cat and Mouse follows the international manhunt for Nayeri after the violent assaults in the Mojave Desert.