Amazing article in the Huffington Post.

Radley Balko does a very nice job of presenting the readily-obtainable facts from the FBI's U.C.R., which are easy to digest and which clearly refute our vice president's contention that police today are outgunned.

"There were fewer police being murdered, fewer police being outgunned when the assault weapons ban, in fact, was in existence," Biden said.
That last sentence simply false, on both counts. So is Biden's general premise.

Go read. This is a very clear, very easy-to-understand article, with simple graphs.