CNNWhat we know and don't know about the deadly Niger attackCNNWashington (CNN) Defense Secretary James Mattis wants answers regarding the ambush by 50 ISIS-affiliated fighters that left four US soldiers dead and two wounded in Niger two weeks ago, three senior US defense officials told CNN Wednesday. Mattis is ...John McCain says White House not being upfront about deadly Niger ambushCBS NewsWhat We Know About the Niger Attack That Left 4 US Soldiers DeadNew York MagazinePentagon Sends Team to Niger to Find Out What HappenedNBCNews.comThe Hill -New York Postall 25 news articles »