The bodies were indeed confirmed as the people from the 120th battalion. However, since there was no survivor from the incident, there was nobody that could be held responsible for the action. Gardner hadn't explained the specifics so the rest of Task Force Kilo could only speculate about the current situation.
After all of them changed into school uniforms and Adams changed the license plate of Lanza's Tahoe into another license plate that he prepared beforehand to conceal their identity. Not only that but now, all of them wore the regular military woodland uniform minus the balaclava while on their way back to Almara Island. They didn't wear any patches so no one would be able to identify them.
