By Rosalind Adams

Lawsuits allege Alabama-based Drummond Co., which mines coal in Colombia, has financial ties to groups that have threatened union leaders.

By Nicholas Kusnetz

Industry has transformed the state, but at what cost?

By Susan Ferriss

Civil rights groups are challenging ordinances that prohibit cooperation with federal officials if they ask to shelter kids in towns.

Medicare Advantage Money Grab

Billing errors cost taxpayers billions

By Fred Schulte, David Donald and Erin Durkin

Critics warned of billing abuse in Medicare Advantage health plans, but oversight is lagging.

By Fred Schulte

Billions in Medicare Advantage overpayments likely gone for good.

By Fred Schulte

Medicare Advantage home visits may not improve health, but boost risk scores and cost taxpayers billions.

Finance

The latest investigations about U.S. financial reform, corporate accountability and consumer finance.

Juvenile Justice

Scrutinizing controversial policies affecting young people at risk.

By Susan Ferriss

Court procedures leave minor offenders with few rights.

By Susan Ferriss

Civil rights groups are challenging ordinances that prohibit cooperation with federal officials if they ask to shelter kids in towns.

Broadband

Investigating the political power of the information technology industry.

By Allan Holmes

Tennessee city seeks to expand municipal broadband service, pre-empting industry-backed state ban.

By Allan Holmes

Sprint, T-Mobile fought to maintain competition, merger talks show they're giving in.

A Comcast program provides Internet to some, but not all the nation's poor.

A map of broadband providers and families in poverty.

Big Oil, Bad Air

Fracking the Eagle Ford Shale of South Texas.

By Jim Morris, Lisa Song and David Hasemyer

In partnership with InsideClimate News and The Weather Channel, Center examines oil industry exploitation of Texas’ Eagle Ford Shale.

By David Hasemyer, Ben Wieder and Alan Suderman

An effort to impose stricter rules on Texas oil and gas operators in 2011 fizzled after the state legislature got involved.

By Nicholas Kusnetz and Jared Bennett

A Q & A with reporter Nicholas Kusnetz about the oil and gas industries growing influence in North Dakota.

Consider the Source

Seeking to ‘out’ shadowy political organizations flourishing in the wake of the Supreme Court’s Citizens United ruling.

By Julie Patel

Budget and staffing cuts, endless congressional investigations keep IRS from investigating activities of political nonprofits.

By Erin Quinn

'Broad-based' group created to save the penny from extinction turns out to be backed by a company that supplies metal to make the coins.