When drugmaker Valeant began to grow at dizzying speeds, investors were thrilled. But a handful of skeptics realized something was very wrong.

A trail of suspicious transactions led to startling revelations about banking giant HSBC and its ties to Mexico's deadliest drug cartels.

Volkswagen's "clean diesel" cars seemed like a dream come true for carbon-conscious drivers -- until a fraud of staggering proportions came to light.

As Jared Kushner rose from real estate heir to White House adviser, reporters and housing advocates uncovered disturbing patterns at his properties.

An unusual heist that made headlines around the world highlights a bitter feud over one of Canada's most precious resources: maple syrup.

Lavish parties, luxury goods, dubious loans: Scandals surrounding Prime Minister Najib Razak rocked Malaysia -- and left the nation drowning in debt.

Residents of a small Texas town were eager to welcome a massive plastics plant -- until toxic chemicals began to take a toll on their community.

Behind the huge quantities of gold flowing into the U.S. each year lies a tangled web of money laundering, illegal mining and environmental destruction.