A case in Baltimore — in which two men were convicted of the same murder and cleared by DNA 20 years later — shows how far prosecutors will go to preserve a conviction.

Three years ago, the Republican-led House was close to reaching a compromise on immigration. This is the story of what went wrong.

An investigation into how the American military disposes of its waste.

How Vivitrol, a little-known anti-addiction drug, became the mandatory treatment for opioid abuse in drug courts across the United States.

Fred Steese served more than 20 years in prison for the murder of a Vegas circus performer even though evidence proved he didn’t do it. When the truth came to light, he was offered a confounding deal: he could go free, but only if he agreed to remain a convicted killer.

Baltimore-area renters complain about a property owner they say is neglectful and litigious. Few know their landlord is the president’s son-in-law.

The U.S. has the worst rate of maternal deaths in the developed world. The story of a neonatal nurse helps illustrate why.

One of the most dangerous companies in the U.S. took advantage of immigrant workers. Then, when they got hurt or fought back, it used America’s laws against them.

An investigation into “a subtler form of redlining.”

A tour of a nonprofit that collects, warehouses, and donates perfectly good stuff hospitals throw away, from anesthesia machines to unopened surgical tools.

Inside the world of M&A consulting.

The Obama administration was supposed to fight corporate concentration. In the airline industry, at least, it didn’t work out that way.

Tens of thousands of people every year are sent to jail based on the results of a $2 roadside drug test. Widespread evidence shows that these tests routinely produce false positives. Why are police departments and prosecutors still using them?

There’s software used across the country to predict future criminals. It’s racist.

Philanthropist and private equity mogul David Rubenstein is lauded for his patriotic donations, including half the cost of repairing the Washington Monument. He also helped save a controversial tax break billionaires love.

The hedge fund manager making a bet that Wall Street can solve the water crisis in the West.

How a woman whose muscles disappeared discovered she shared a disease with a muscle-bound Olympic medalist.

The DEA warns that drugs are funding terror. But is the agency stopping threats or staging them?

We know that certain programs can help prevent gun deaths among black men. No one in Washington seems to care.

Five Vietnamese-American journalists were killed on American soil between 1981 and 1990. The prime suspects? Members of the National United Front for the Liberation of Vietnam, a group of former military commanders from South Vietnam.

Racial discrimination and the collection of small consumer debts.

An Alabama woman took the equivalent of one Valium during her pregnancy. A few weeks after she gave birth, she became one of more than 1,800 new and expecting mothers arrested under the state’s chemical endangerment law.

The chaos of a group home in Long Beach, California.

Alberto Salazar is one of the most celebrated running coaches in the world. Is he also a cheater?