breaking news on what happened to four u.s. troops ambushed and killed by isis fighters last year in niger. the pentagon's long-awaited findings were released today. they cite multiple failures but there's no direct blame here. investigators say two junior officers falsified documents to get approval for that unsuccessful mission. staff sergeant dustin write, staff sergest ar eses eses esee jeremiah johnson, staff sergeant bryan black and sergeant la david johnson. he was found away from the other soldiers. >> he was never in enemy hands