Of the vast number of videos out there, this from WWLP-22News is probably one of the clearest on the issue. As to be expectd however, there is only so much such a news story can cover and, should you wish to explore the issue of real or fake US currency further, here are some useful links.
The US Currency Education Program, offers this page, via which it is possible to delve into the security features of all US currency notes. And here is a three page pdf file detailing key features of $5 to $100 notes of the 1996 to 2009 design styles.
So far searches have not revealed any usefuil resource to help determine real from fake USA cpoinage, which is pretty serious, given that ther seems to be increasing news about US recyclers and counterfeiting gangs, world wide but especially from China, switching focus from 'superdollars' - near perfect fake notes, to coinage, which is far less vigorously checked.
