Congress warned on Fort Hood probe

Obama has already ordered a review of what was known and whether information was correctly shared and acted upon.

Peter Hoekstra, the most senior Republican party official on the House intelligence committee, said last week that Hasan and the religious leader had exchanged at least 10 emails from December 2008.

A Federal Bureau of Investigation terrorism task force knew last year of the pair’s communication but decided that it was not linked to terrorism.