Media Bias or Stupidity?

As pointed out on War On Guns,, The news is showing a picture of a .50 cal rifle w/ the St. Johns incident, w/ the caption "The suspect was said to be carrying a .50 caliber black powder Wolf rifle, similar to the one shown above."

While at the same time saying it was a Wolf Muzzleloader.

So I ask again. Bias or Stupidity?

Edit: Stupidity. The picture seems to have been taken down.