WVUE-TV spent two years digging through tens of thousands of pages of documents that uncovered hundreds of millions of dollars in oil leases still being paid to descendants of late Governor Huey Long, Louisiana's governor is 1934. 

WVUE-TV linked to all of the source documents through DocumentCloud and also linked to biographies they put together on the key players in this story.   This is part 1 of a multi-part series

"USA Today’s investigative team found the EPA failed to tell people about or take action on hundreds of former lead smelting sites they’d known about for years. Alison Young and Pete Eisler tested the soil around former plants in 13 states and found potentially dangerous levels of lead remain in people’s yards and in parks."

This multi-part look into long-forgotten lead factories includes nearly 370 site-related documents, using DocumentCloud; video interviews with parents whose children play in their lead contaminated back yards; an interactive map telling you where smelters once were in your area; tips on how ...

Through a public information request The Monitor has found that a municipal judge, in Hidalgo, Texas, doesn't mind handing out favors. From January 2010 to April 2011 839 citations were submitted by local politicians and city employees, mostly traffic tickets, to the judge for special consideration. The list obtained, kept by the court administration, revealed all but a handful were dismissed.

Six years ago, the federal government set out to indefinitely detain some of the nation's most dangerous sex offenders, keeping them locked up even after their prison sentences had ended.

But despite years of effort, the government has so far won court approval for detaining just 15 men.

Far more often, men the U.S.Justice Department branded as "sexually dangerous" predators, remained imprisoned here for years without a mandatory court hearing before the government was forced to let them go, a USA TODAY investigation has found. The Justice Department has either lost or dropped its cases against 61 ...

"In a multi-day project, Anthony Cormier and Matthew Doig of The Sarasota Herald-Tribune investigate why law enforcement agencies around Florida employ officers despite cases of serious misconduct in their past, involving everything from violence and perjury to drugs and sexual assault. Many more cases stay hidden because agencies fail to thoroughly investigate or report complaints."

Cormier and Doig used DocumentCloud to embed the source documents, internal affairs investigations, they obtained.