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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.

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.