When Shawn finds the old army photo of Big Ed, he's wearing his army uniform and has a goatee. Goatees are not allowed in the army, even for Rangers and no beards are allowed wearing dress uniforms.
At 36 minutes and 43 seconds. Lassie shoots one of the Serbs approaching chavo and Kate. He shoots him 3 times consecutively yet he's shooting a bolt action rifle.
At the end when the crime scene personnel are putting the bodies on gurneys and carrying them off screen. You can see the plywood sheets separating and moving under the leaves.