The sheriff of Putnam County, Georgia, finally meets a case he can’t solve.

He went from a viral pop hit to an arrest for conspiracy to murder charges in just under six months. Was Bobby Shmurda “too real” for his label?

A steep discount on pharmaceutical drugs leads to a mass-murder case.

In 1965, Wheat was sentenced to death for armed robbery and murder. When his sentence was commuted, he decided to devote the rest of his life to helping people.

Doc was a medical student in his 40s, but he spent his nights with the teenagers who hung around his San Antonion apartment complex, buying them drugs and booze. The first time he asked one of them to ritualistically kill him, they laughed it off. He would ask again.

The murder of a 34-year-old by a wig-wearing figure traces back to meth, an FBI sting and a former municipal judge who once sent a live copperhead snake to a foe through the U.S. mail.

The double life of Aaron Hernandez.

In 1965, a mother was charged with killing her 5-year-old son and 4-year-old daughter in Queens. Fifty years later, it still isn’t clear if she did it.

Dzhokhar Tsarnaev’s friends didn’t realize what he’d done until they saw his image on television.

Paleram Chauhan, a 52-year-old Indian farmer, was shot dead during the summer of 2013. The reason: his opposition to a gang of criminals stealing his village’s sand to sell on the black market.

Tommy Gilbert seemed like your average Beekman Place ne’er-do-well son—until his dad turned up dead.

Santería or Vodou are explored as possibilities.

An innocent man was executed – in 1761. Voltaire got on the case.

Rumor had it that a teenager had cut off a man’s penis, and the cops happened to have a murder victim that answered that description. Nothing else lined up.

Gerry Adams, the leader of Sinn Fein, denies that he was ever in the IRA. The murder of Jean McConville threatened to expose him as a liar.

Renting the apartment formerly inhabited by the accused killer Robert Durst.

Bringing a serial killer to justice reveals the country’s other sources of death and suffering.

Justice isn’t so easy to come by when an American soldier stationed abroad is accused of murder.

The life and mysterious death of writer Susan Berman.

The transcript of chats between Silk Road boss Ross Ulbricht and a man he believes to be a Hell’s Angel who agrees to supply “hitters” to carry out 5 assassinations.

Eight of serial killer John Wayne Gacy’s victims remained a mystery, 35 years after his conviction. One man made it his mission to identify them.

A narrative of the Michael Brown shooting.

The story of Tyrone Hood, who served 21 years for a murder he didn’t commit, and the Chicago criminal justice apparatus that allowed a serial killer to go free.