One of three wives living with Osama bin Laden told Pakistani interrogators she had been staying in the al-Qaida chief’s hideout for six years, and could be a key source of information about how he avoided capture for so long, a Pakistani intelligence official said today. In its first confirmation of bin Laden’s death, al-Qaida warned of retaliation in an Internet statement, saying Americans’ “happiness will turn to sadness.” Bin Laden’s wife, identified as Yemeni-born Amal Ahmed Abdullfattah, said she never left the upper floors of the house the entire time she was there/Associated Press. More here.

• Richert: Why I think the White House made right decision on Bin Laden photos

Question: Are you surprised that al-Qaeda readily admits Bin Laden is dead?