(CBS News) The days that followed President John F. Kennedy's assassination were filled with questions. Now, nearly 50 years later, we're learning new answers about Jack Ruby, the man who gunned down Lee Harvey Oswald, from boxes upon boxes of documents and artifacts from the Dallas County district attorney's prosecution of Ruby in 1964.

"CBS This Morning" was allowed exclusive access to comb through those boxes. Among the items: Ruby's gun holster and the aluminum brass knuckles he carried, along with membership cards from his nightclub, The Carousel Club - and even photo cards of one of his better-known strippers, Jada. Many items have never been seen before publicly....