Newly declassified materials include books, magazines and letters found during the 2011 raid on the al-Qaida leader's compound in Abbottabad, Pakistan.
Two Americans who worked for al-Qaida were also killed in the counterterrorism operations in January, the White House said. The two hostages killed included an Italian who had been held since 2012.
The USAID contractor was kidnapped in 2011 from his home in Pakistan just days before he was scheduled to leave the country. He spent much of his career in some of the world's toughest places.
The Nigerian Islamist militant group has traded grainy videos for slick productions. This week, Boko Haram posted a video purportedly showing the bodies of two beheaded men accused of spying.
The four men, all in their 20s, are accused of providing logistical support to Ahmed Coulibaly, the gunman who took hostages at a Kosher supermarket during the Jan. 7-9 Paris attacks.
Reports now indicate that Hayat Boumeddiene — a woman initially thought to be part of Friday's siege of a kosher supermarket in Paris — may have left France in early January.
Three assailants who allegedly carried out two separate attacks in and around the French capital this week were reportedly linked by religious zealotry and a 2010 prison-break plot.
French officials are searching for Hayat Boumeddiene, who they say was involved in the killing of a policewoman in Paris on Thursday and possibly a later hostage-taking.