Wealthiest in Congress prosper since recession

CAPITOL ASSETS | A Washington Post investigation finds that lawmakers don’t get rich by merely being in Congress. Rich people who go there, though, tend to keep getting richer while they’re there.

D.C. tax office investigation

D.C. tax office investigation

Problems in the office of D.C. Chief Financial Officer Natwar M. Gandhi lingered just below the surface, according to reports obtained by The Post that had not come to public attention.

Hackers exploit humans to gain access

Hackers exploit humans to gain access

PART FOUR | The greatest threat to security in the Cyber Age comes from attacks known as “social engineering.”

Many after-market motorcycle parts don’t meet standards, experts say

Many after-market motorcycle parts don’t meet standards, experts say

For generations, motorcycle lovers have customized their bikes. But what they may not know is whether after-market parts comply with federal and environmental standards.

D.C. police’s high closure rate raises flags

D.C. police’s high closure rate raises flags

An investigation of District homicide statistics shows that the much-touted 94 percent closure rate is the result of a statistical mishmash that makes things seem better than they are, according to records reviewed by The Post.

Odds of pardon improve with a lawmaker’s support

Odds of pardon improve with a lawmaker’s support

Analysis shows that those with a Congress member in their corner were three times as likely to win mercy.

The hidden life of guns

The hidden life of guns

A Post investigation breaks years of secrecy on where region’s crime guns are sold and how they move through society.

Alaska Native Corporations

Alaska Native Corporations

After the attacks of Sept. 11, 2001, the Pentagon and other agencies awarded thousands of contracts without competition and proper oversight. In that rush, billions went to entities known as Alaska native corporations. Then the problems began..

Top Secret America

Top Secret America

“Top Secret America” is a project nearly two years in the making that describes the huge national security buildup in the United States after the Sept. 11, 2001, attacks.

Power Failure at Pepco

Power Failure at Pepco

One of Pepco's standard explanations for the frequency and duration of its outages -- dense tree cover -- does not hold up under scrutiny, a three-month Washington Post analysis has found. By far, Pepco equipment failures, not trees, caused the most sustained power interruptions last year, records show.

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Investigative Multimedia

Top Secret Network

Explore the relationships between government organizations and the types of work being done in Top Secret America.

Police officers killed by guns

In a year-long investigation, the Post examined 511 killings of police officers by guns over the past decade.

Alaska native corporations

After 9/11, billions of dollars worth of contracts were awarded to entities known as Alaska native corporations. Then the problems began.