Noah Kinney is shot dead in a car that crashed outside a home in Akron, Ohio, and detectives race to find an armed killer on the loose, but ultimately investigators are shocked to discover the video evidence that solve the case.

A 911 call comes in from a woman who says her neighbor is not breathing and covered in blood, then police find 69-year-old Benjamin dead, his house in disarray and money missing, but as detectives search for answers, another murder occurs.

Akron police officers respond to a shooting outside a bar on a busy Friday night on Main Street; what starts out as a shooting investigation turns into a mystery of murder and the hunt for a cold-blooded killer.

After a man calls 911 to report being stabbed and a house on fire, police find Ron Whiles shot and burned in his home in Lafayette, Ind.; with one victim dead and one clinging to life, detectives question multiple suspects, which leads to one name.

Akron officers respond to a shooting outside a convenience store; they find Dereke Alexander bleeding with a faint pulse, but he doesn't survive; the investigation leads detectives to two cold-blooded killers who stalked and hunted the man.

In separate calls, Chillicothe, Ohio, police officers find three murder victims and another clinging to life. As they investigate these crimes, they discover the victims are related. Detectives question suspects, which leads to an unlikely killer.

Newnan, Georgia, Police respond to six murders in three days. As investigators try to piece together the motive behind the killings, several witnesses claim to know who is responsible -- but a rush to judgment could result in a killer going free.

Ida Mae Ford gets shot dead in the middle of a dark street near her home in Macon, Georgia; detectives race to track down the beloved grandmother's elusive killer, and a shocking crime spree ultimately leads investigators to an unexpected suspect.