When a Facebook post spawns a street brawl in Albany, NY, 22-year-old Maurice Skeen dies by a deadly stab to the heart. Despite multiple cell phone videos of the fight, investigators must struggle to pinpoint the vengeful perpetrator that struck the fatal wound.

After the death of a 9-year-old boy in Chicago, police feared that the usual tight-lipped culture would hurt their investigation. Turns out, people were more than willing to help identify the suspects who sought deadly revenge in broad daylight.

After a near fetal shooting at Georgia gas station, the suspects look to live out there 'Bonnie and Clyde' fantasy on social media, sparking a nationwide manhunt; authorities scrambled to capture them as the violence looks to be escalating.

After a potential suspect in an unsolved murder is found dead, police suspect the best friend wasted no time in seizing an opportunity for revenge; as pressure mounts, authorities dig into the past, uncovering a web of deceit that lies beneath.

Back-to-back homicide cases send detectives down a twisted cycle of street violence as a connection between the two men's deaths comes to light; is the investigation carries on, authorities most rely on social media to help them crack the case.

As a man leaves to get dinner for his family on a normal October night, he is struck down in a hail of bullets; as investigators delve into the man's connections, they find that revenge can sometimes make a victim of the wrong person.

After the murder of Adan Katami, investigators dig into his entrepreneurial relationship with Tikisha Upshaw; detectives learned their business relationship was recently strained, leading to an interesting connection to his murder.

Omaima Nelson's request for an ex-boyfriend's help disposing of her husband prompts a 911 call; investigators make a gruesome discovery of a bloody trashbag in her vehicle, finding human body parts.

When a star high school track athlete disappears without a trace in a dangerous Philly neighborhood, investigators follow the clues to discover a tumultuous home life and a mother out for revenge over her daughter's perceived disrespect.

After years of abuse, the news of an affair in Adrienne Davidson's marriage lead her to the edge of suicide; as the clock strikes midnight on New Year's Eve, Adrienne decides to start her new year off with revenge.

The 2008 NFL football season is barely underway when offensive lineman, Richard Collier is shot multiple times leaving him in critical condition; detectives fight to figure out who would want to murder one of Jacksonville's star players.

Upset after finding out that right after a break-up his ex-girlfriend had started talking to another man, Willie Bell takes matters into his own hands as he deals with grief in an explosive manner, using an unassuming disguise in a quest for revenge.

After a hard breakup, Landy Martinez is excited to move on and find new love but before he can do that, he is found dead in the bedroom of his St. Petersburg home. Investigators must untangle a web of digital clues to find out what happened to Landy.

Days before Halloween, police find Diondus Billings shot dead, a victim of an apparent carjacking; with little else to go on, police's search for the missing vehicle unravels a revenge murder plot with multiple suspects. [also shown as S3:50]

After young mother Latisha Frazier fails to return home from work, her parents take to the streets with flyers to find their missing daughter; as the investigation moves forward, the flyers are torn down and the family receives threatening messages.[also shown as S3:E51]

College turns deadly one night for two Murfreesboro roommates; unconscious and bleeding, Clantina Stewart is rushed to the hospital after she is found stabbed multiple times; detectives need to figure out what happened to her. [also shown as S3:E52]

A vengeful wife seeks more than her fair share when divorce threatens her lavish lifestyle; determined to make her husband pay, she instigates a deadly plot. Little does she know that the tables will turn and she will be the one paying the price. [also shown as S3:E53]

After Camran Collier is killed in his car, his loved ones hold a balloon release in his honor where his friend, Kolby Graham, is shot. Kolby dies at the hospital a couple days later; investigators find rumors on social media about both shootings. [also shown as S3:E54]

After two crime scenes leave investigators with no clues, no leads and no killer, police are stumped; it seems a jilted lover seeking her own payback is the only one that can stop the killer.

A young father is shot to death, seemingly the victim of a random shooting; as police investigate the killing and the series of events that led to it, they find that not all good deeds go unpunished.

After a rancher finds the body of a young man in his field, detectives' only lead is the last person on the victim's call log; days later, another body is found under similar circumstances.

After an off-duty officer hears gunshots in a parking lot, a young woman is left dead in her car; investigators learn that Donasia's ex-boyfriend, Justin Carroll, is out on bail after being charged with domestic assault.

An up-and-coming rapper is shot while preparing for a music video; as authorities look into the shooting, they learn of other shootings that happened nearby earlier that day; they find that the rapper's death was a case of mistaken identity.

In June 1995, residents of Colorado Springs are on edge after a seemingly random shooting leaves a man dead. After speaking with witnesses and the family of the deceased, detectives discover this may be the result of a long-running feud turned violent.

In October 2002, music icon Jason Mizell, aka Jam Master Jay of Run DMC, is shot dead, sending shockwaves through the community. Rumors swirl as detectives delve into his financial troubles, revealing a motive that could crack the case and unveil the truth behind his tragic death.