 Not 140 yards. The Secret Service counter snipers are looking with a 5 to 14 or a 5 to 25 power scope, which means you can tell whether the guy had shaved that morning or not. That's the level of detail. So for them to not see, hmm, someone's got a rifle, someone's pointing the rifle. I've never heard of a police officer not being able to stop someone that has clear means and intent to commit murder.