A mysterious trash bag turns up in a truck; police find Connie Goodwin beheaded.

At a warehouse music venue in Texas, someone shoots a man; police find a chaotic crime scene.

Deputies discover a young man shot dead in trailer park miles away from home. As they try to solve the mystery behind the murder, several key witnesses step forward to point the finger at different suspects. One false lead could unravel the entire case.

Ty Underwood, a transgender woman, is found shot to death in her car, leaving detectives to wonder if she may have been a victim of a hate crime. Detectives use text messages, social media posts, and surveillance footage to track down her killer.

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

Lansing police officers find Donovan Barfield's body riddled with bullets and his apartment ransacked. As investigators race to identify the perpetrator, they uncover a diabolical plan of murder and robbery orchestrated by a trio of reckless killers.

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.

A retirement community in Evansville, IN, is rocked when Odie Carrier Jr. is found mortally shot in his own home. Puzzled even more by the surprising way he was killed, police must work quickly if they are going to find the person responsible.

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.

Flagler County, FL Sheriff's Office investigates the shooting of an 18-year-old high school track star, Curtis Israel Gray. The case threatens to go cold before a source close to home delivers the prime suspect straight to Sheriff's front door.

In separate calls, Chillicothe, OH, 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.

Billy Shuler is dead. Now, video and audio capture the detectives desperate hunt for his killer. As the case slowly unravels, someone comes forward and identifies Billy's murderer. When the US Marshals get involved, the killer is brought to justice.

31-year-old, Gabriel Montanez is found shot in a liquor store parking lot in Kalamazoo, Michigan. Two men in hooded sweatshirts are seen fleeing from the scene. Police then make a shocking discovery that leads to the truth behind the homicide.

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.

Samantha Guthrie's parents desperately search for their missing child. As the police search reveals many players in this mystery, there is one common thread - the Lillian St. house. Police aim to find the truth of what occurred within those walls.

Lima, OH, police race to a chaotic scene at an after-hours nightclub following a shooting that leaves one person dead and multiple others injured. As they try to identify the shooter, dozens of patrons flee in fear, confusing first responders.

Noah Kinney is shot dead in a car that crashed outside a home in Akron, OH, 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.

Steven Begay is a loving uncle whose nephews see as a protector. So, the irony could not be greater when his bloody body is found near a playground in New Mexico. A manhunt ensues leaving police with a major discovery that turns the case on its head.

A backyard shed in a Michigan trailer park holds the answers to a dark secret regarding a missing teenage couple. Police interview their families, but one member is evasive, deepening the mystery and setting off a covert manhunt across the Midwest.

Evansville, IN, police rely on an unlikely source of information as they search for the person responsible for shooting 28-year-old D'Angelo White. Cryptic clues left by the victim himself challenge the investigative skills of veteran detectives.

Forty-year-old Jamie Baker leaves behind her family when someone shoots and kills her with a bullet through the back. The mystery only deepens when police dig into her last moments and uncover what transpired the night of her death.

When workers find a decomposed body on an abandoned property in western Ohio, Paulding County Sheriff’s Office deputies race to the scene. The findings of the homicide investigation that follows send shockwaves throughout the Amish community.

The Bryan, TX, Police Department investigates the shooting of 23-year-old local landscaper, Jose Armando Pina. A masked perpetrator flees the area via a path thick with brambles, leaving behind vital evidence.

Police find Orlando Euell’s body left for dead on the side of the road in Milwaukee. Police examine extensive surveillance footage to learn about Orlando’s last moments, including witnessing him get into the car that would take him to his death.

Officers with the Evansville PD arrive at a crime scene to find a shooting victim barely alive and needing medical attention. But the stakes get even higher in this case after they realize there might be another injured victim who's now missing. [also shown as S7:E13 Parking Lot Carnage]