When a young woman is shot dead in front of her son, horrified witnesses call 911 and describe the shooter as a slender man who disappeared into nearby trees; though clues are scarce, investigators finally uncover the killer's shocking identity.
A woman calls 911 to say she's found her son unconscious in his home; when police arrive, they realize he's dead; the victim's hands are bound, and he's been strangled; at first, it seems like a burglary gone bad, but police soon discover otherwise.
A dying man calls 911 to say he's been shot in the heart and his son has been shot dead; after the shooter escapes into the night, the detectives must navigate a complex group of suspects to uncover a tangled web of rage and revenge.
Two girls disappear from neighboring counties, and they are later found murdered; one family receives multiple taunting calls from the killer; investigators work to track him down and succeed after discovering a clue delivered by the killer himself.
A terrified neighbor calls 911 after witnessing a young mother being gunned down in her driveway; police work to uncover a complex conspiracy that ripped the loving mother from her three children, just to keep dark secrets hidden.
A frantic woman calls 911 saying an intruder just entered her home and shot her husband; when a local fire chief dies from his injuries, first responders work tirelessly to find out who killed one of their own.
A traumatized man calls 911 after seeing his friend shot and killed right before his eyes; with a surprisingly long list of suspects, investigators must sort through layers of lies, jealousy and mistrust to uncover the shooter.
After a doctor is shot at his ranch during a chaotic assault, investigators follow a trail of vehicles, surveillance footage and telephone records to discover a plan hatched by a band of brothers.
A man calls 911 claiming he found his ex-girlfriend dead, but his behavior on the call leads police to wonder if he could be involved; investigators gather evidence to convict a killer whose unchecked rage left a young son motherless.
A panicked woman calls 911 to say a stranger forced his way into her home and shot her boyfriend in front of their children; detectives untangle a twisted web of jealousy to find out who killed this young father and why.
Two distraught women call 911 when they discover their sister brutally murdered; soon, detectives uncover a stunning surprise and struggle to find a killer whose self-hatred drove him to commit the ultimate crime in a precedent-setting case.
Calling 911, a woman whispers that intruders broke into her home, bound her and her son and attacked her husband; police arrive to find the husband dead and the killers gone; investigators struggle to expose the twisted mastermind behind the crime.
Calling 911, a young father gasps that he has accidentally shot himself while working on a farm; the police hear a second shot on the line while racing to find him.
A terrified woman tries to give police clues in a harrowing call, then police find her body in the river, and they discover a stomach-churning truth about a killer who's been a predator for years.
A woman returns home to find her husband unconscious and bleeding on the floor of their horse barn; a 911 operator coaches her through CPR, but it's too late, and police later use the call itself to find clues to a plot to kill a beloved father.
Calling 911, a former police officer struggles to explain he's been shot multiple times and his girlfriend has been abducted.
A man finds his wife with a cord around her neck and makes a heartbreaking 911 call, pleading for someone to save his beloved; then this story of love and loss is complicated by a missing phone, crime scene clues and a mystery man.