A worried man calls 911 saying he's on the phone to his girlfriend, and she's in trouble. When police find her severely beaten, a tale of obsession and violence emerges. S1/Ep11
Two distraught women call 911 when they find their sister brutally murdered. Detectives uncover a stunning surprise to hunt a killer driven by self-hatred. S1/Ep12
A panicked woman calls 911 saying a mysterious man shot her boyfriend. Detectives have to untangle a twisted web of jealousy to find out who killed this young man. S1/Ep8
A man calls 911 screaming for help but too scared to give his address. Detectives uncover a shocking tale of torture, revenge and deadly unrequited love. S1/Ep10
In a distressing 911 call, a woman reports a break-in at her home followed by a scream and a gunshot. Can investigators solve the crime before more victims? S1/Ep9
Church parishioners call 911 when they find their priest unconscious. On their path to the truth, police discover a harrowing 911 call made by the victim himself. S1/Ep7
A bizarre series of emergency calls to police in two cities and a serial killer confesses his crimes. They eventually join the dots, but not before he kills again. S1/Ep4
A woman returns home to find her husband unconscious and bleeding in their barn. Finding clues in the 911 phone call police uncover a deadly plot. S1/Ep2
In a harrowing call a terrified woman tries to give police clues to the danger - a river and a gun. When her body is found their search reveals a prolific killer. S1/Ep3