"Sports Detectives" tries to prove memorabilia authenticity 

Over the past two decades, sports memorabilia has become a multi-billion-dollar business and a magnet for scam artists. That’s where the sports detectives come in. Kevin Barrows, former FBI agent and now an investigative consultant for the NFL and NHL, joins “CBS This Morning: Saturday” to discuss a new Smithsonian Channel series he hosts called "Sports Detectives."