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A Teen’s Burning Death

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In December 2014, 19-year-old Jessica Chamberswas found burning to deathon the side of a road in her hometown of rural Courtland, Mississippi.

In October, a mistrial was declared in the murder trial of Chambers' acquaintance Quinton Tellis, 29, who was arrested in 2016after an extensive investigationand who has maintained his innocence. Prosecutors say they will retry him.

“I think about her every day," Chambers' father, Ben, previously told PEOPLE.

02of 06Be-lo Supermarket Triple SlayingWavy.comOn a warm June evening in 1993, a man entered a Windsor, North Carolina, Be-lo supermarket and wreaked havoc on six employees.Binding them with duct tape before piling them one top of another and opening fire, local authorities say the gruesome scene can never be forgotten.“Things like that you know you never forget, you never forget. It’s the worst thing I’ve seen in approximately 31 years,” said Bertie County Sheriff John Holley. “It was really bad. Even the guys that I talk with that have retired. It’s on their minds just like it was yesterday also.“Three of the employees were fatally shot, two survived with injuries and one was — amazingly — not harmed. The motive of the man, who has never been caught despite a survivor giving authorities a description, remains unknown. A $30,000 reward is still being offered for information leading to the killer’s arrest.

02of 06

Be-lo Supermarket Triple Slaying

Wavy.com

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On a warm June evening in 1993, a man entered a Windsor, North Carolina, Be-lo supermarket and wreaked havoc on six employees.

Binding them with duct tape before piling them one top of another and opening fire, local authorities say the gruesome scene can never be forgotten.

“Things like that you know you never forget, you never forget. It’s the worst thing I’ve seen in approximately 31 years,” said Bertie County Sheriff John Holley. “It was really bad. Even the guys that I talk with that have retired. It’s on their minds just like it was yesterday also.”

Three of the employees were fatally shot, two survived with injuries and one was — amazingly — not harmed. The motive of the man, who has never been caught despite a survivor giving authorities a description, remains unknown. A $30,000 reward is still being offered for information leading to the killer’s arrest.

03of 06

A Nature Walk Goes Wrong

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The girls, who were dropped off at a Delphi, Indiana, community trail in theearly afternoon of Feb. 13,never returned home. The next day, their bodieswere foundless than a mile from where they were last seen alive.

Police later discovered that Liberty, 14, hadtaken pictures and videoson her phone of an unidentified man authorities believe is the suspect in her and 13-year-old Abigail’s deaths. Local and federal officials continue to investigate as the community awaits answers.

“It would be wonderful if they called us and said, ‘This is it,’ ” Becky Patty, Liberty’s grandmother, told PEOPLE in September. “We could put this chapter behind us and move on to the next. But we’re just stuck in this limbo.”

04of 06

A Family Vanishes

Jamison Family Bobby, Sherilyn and Madyson Jamison.

Nine days later, the family’s abandoned truck was found near their home, though there had been no signs of a struggle.Inside the vehiclewere the couple’s wallets, phones — and $32,000 in cash. The family’s dog was also found in the truck, malnourished but alive. It appeared the family had disappeared into thin air.

05of 06Death on the WaterBrian TemplinAfter hours of trying to put outa fishing boat engulfed in flameson Sept. 6, 1982, Alaska police realized that the eight victims onboard theInvestorwere not victims of a tragic accident. They’d been killed in a homicide.The slaying of skipper Mark Coulthurst and his pregnant wife, Irene, both 28, along with their children Kimberly, 5, and John, 4, and four deckhands — Chris Heyman, 18; and Keown, Moon and Mike Stewart, all 19 — is still Alaska’s worst unsolved mass homicide.Two years after the murders,police arrested John Peel,who worked for Mark. He would later be acquitted of the charges and no arrests have been made since.“You never stop thinking about them,” Dave Freeman, who grew up with deckhands Moon and Keown, told PEOPLE.“The shock of losing everyone really tore up our town,” Freeman said.

05of 06

Death on the Water

Brian Templin

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After hours of trying to put outa fishing boat engulfed in flameson Sept. 6, 1982, Alaska police realized that the eight victims onboard theInvestorwere not victims of a tragic accident. They’d been killed in a homicide.

The slaying of skipper Mark Coulthurst and his pregnant wife, Irene, both 28, along with their children Kimberly, 5, and John, 4, and four deckhands — Chris Heyman, 18; and Keown, Moon and Mike Stewart, all 19 — is still Alaska’s worst unsolved mass homicide.

Two years after the murders,police arrested John Peel,who worked for Mark. He would later be acquitted of the charges and no arrests have been made since.

“You never stop thinking about them,” Dave Freeman, who grew up with deckhands Moon and Keown, told PEOPLE.

“The shock of losing everyone really tore up our town,” Freeman said.

06of 06Girl Scout Murder MysteryIt’s been more than 40 years since three young Girl Scoutswere brutally slain at a their campsitenear Locust Grove, Oklahoma.Lori Farmer, 8, and tentmates Michelle Guse, 9, and 10-year-old Denise Milner were all raped and murdered on June 13, 1977.A twice-convicted rapist, 33-year-old Gene Leroy Hart, was arrested and charged with three counts of first-degree murder in the girls' deaths. However,a jury acquitted himof the charges and two months later, he died of a heart attack.The unsolved killings have become one of Oklahoma’s most notorious cold cases.“I wish I had not let her go,” Lori’s mother told PEOPLE. “It was her first time to ever go to camp anywhere.”

06of 06

Girl Scout Murder Mystery

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It’s been more than 40 years since three young Girl Scoutswere brutally slain at a their campsitenear Locust Grove, Oklahoma.

Lori Farmer, 8, and tentmates Michelle Guse, 9, and 10-year-old Denise Milner were all raped and murdered on June 13, 1977.

A twice-convicted rapist, 33-year-old Gene Leroy Hart, was arrested and charged with three counts of first-degree murder in the girls' deaths. However,a jury acquitted himof the charges and two months later, he died of a heart attack.

The unsolved killings have become one of Oklahoma’s most notorious cold cases.

“I wish I had not let her go,” Lori’s mother told PEOPLE. “It was her first time to ever go to camp anywhere.”

source: people.com