He intended to travel to Syria to fight on behalf an Islamic rebel group that seeks to overthrow the regime of Bashar al-Assad.
There is reason to believe that the FBI had advance knowledge of the Boston Marathon bombing plot. On the other hand, we know that Tounisi was a pure product of the FBI's terrorist factory: He was the latest in a long procession of socially alienated teenage Muslim males who have been lured into an FBI-orchestrated plot by the Bureau's roving troupe of “terrorism facilitators.”