Vatican officials have denied rumors that a cardinal was involved in the documents leak. (Courtesy Creative Commons)

Gabriele's cooperation has raised speculation that more high-ranking Vatican officials may be named in the investigation into how the leak occured. The possibility that a cardinal may be implicated have swirled in the Italian media, but Vatican officials have denounced that as rumor.

This is the latest development in what has been termed the "Vatileaks" scandal. The scandal began in January when an Italian journalist, Gianluigi Nuzzi, published correspondence between Vatican officials which exposed the politics and intrigue that apparently govern the highest echelons of the Roman Catholic church.

Read the entire story at the Washington Post, the BBC or the Guardian.