A crowd of 600 people began a march from Selma, Alabama to the state capital of Montgomery to protest for voting rights when they were met with resistance from state troopers. When the protesters refused to disperse, the officers got violent.

Vatican investigators verified that assassinated archbishop Oscar Romero was responsible for a miracle involving a Salvadoran couple and the birth of their child. This recognition was one of the final stops on Romero’s road to sainthood.

In what was one of the worst shootings in recent Cleveland history, Davon Crawford killed his wife and four other members of her family, including a five-year-old girl and her two-year-old twin nephews.

The cooperation between multiple police precincts led to the capture of Aaron Thomas, also known as the East Coast Rapist. His crime spree lasted 14 years across four different states.

High school student Micaela Costanzo was murdered at the gravel pits outside of West Wendover, Nevada. Her childhood friend Kody Patten and his fiancé Toni Fratto were both convicted for the crime, though the case remains shrouded in mystery.

Kate Webster chased her boss Julia Martha Thomas up the stairs of her home, threw her down the steps, and strangled her to death.

A 17-year-old mentally disabled girl from Glen Ridge, New Jersey was sexually assaulted in a basement by three high school football players while four of their friends watched.

After already surviving one attempted poisoning, the co-founder of Stanford University died mysteriously while on a trip in Hawaii.

Expecting to meet his lover, Teresa, U.S. Attorney Philip Barton Key II was surprised by her husband, Congressman Daniel Sickles, instead. The two would take their confrontation to Lafayette Park where Sickles would shoot Key dead.

Just six years after leaving Jim Jones’ Peoples Temple, Jeannie, Al and Daphene Mills were shot and killed in their California home. Many believed it was an act of revenge by their former cult, but police suspected somebody else.

Eleven years after winning the Academy Award for Best Supporting Actor in the film “The Killing Fields,” doctor, actor, and Cambodian refugee Haing S. Ngor was murdered.

What was initially believed to be the result of a car accident, the death of Rosemarie Essa was just the beginning for law enforcement.

Known as the “Freeway Killer,” 49-year-old William Bonin was executed for the murder of 14 teenage boys.

In rural Winfield Township, Pennsylvania, eight-year-old Cherrie Mahan disappeared while walking home from her bus stop. Although she was declared legally dead in 1998, her abduction still remains unsolved.

Having lost his home in a firebomb attack just one week prior, civil rights leader Malcolm X was gunned down on stage at the Audubon Ballroom. His pregnant wife and four kids took cover in the front row.

Along with his bodyguard, McKinley Lee, rapper Snoop Dogg was acquitted of first- and second-degree murder charges in the death of Philip Woldemariam.

Barry Seal was one of America’s most notorious drug smugglers. He was killed by cartel hitmen for being a DEA informant.

Following years of tax issues with the IRS, Andrew Joseph Stack flew his single-engine airplane into an IRS office in Austin, Texas.

After checking out with a clean bill of health, candy heiress Helen Brach left the Mayo Clinic in Minnesota and was never seen again.

Wilbert Rideau’s botched bank heist would escalate to kidnapping… and then murder.

Three-and-a-half years after the murders which gave him the moniker “The Gainesville Ripper,” serial killer Danny Rolling entered day one of his trial with a shocking plea.

English explorer James Cook was killed on the beach of Hawaii’s Kealakekua Bay after his plan to kidnap a local leader went awry.

After being tortured and held for ransom, 23-year-old Ilan Halimi died in France. He had been targeted by a gang known as The Barbarians, who wrongly assumed the young man’s family was wealthy enough to pay the ransom because they were Jewish.

Two boys became the youngest convicted murderers in 20th-century Britain for the brutal beating and killing of two-year-old James Bulger. They were sentenced to a young offenders’ institute, where they were released at 18 years old and given new identities.

15-year-old Tim Masters didn't realize the body he saw in a field on the way to his bus stop was actually real. But it was the remains of Peggy Hettrick, who had died from a single stab wound. Police believed Masters had something to do with the crime.