True, though we do watch a lot of CSI. "Oooh look, high velocity spatter from a single GSW from a large caliber weapon..."
I think they can and eventually will supply evidence without having to put out his death photo, which is by all accounts unpublishable in newspapers.
He may not be very recognizable, which would make releasing the photos of limited value.
A measured response on this may not be popular, but if the Secretary of Defense is asking the Administration not to release them, I'm satisfied.