The murdered boy's name is Scotty Gates. However, a newspaper article about the crime and photo of the boy beside the article shows his name as Scotty Pope.
Some of the $100 bills from the 1989 heist were from the series printed from 1996-2003.
Roger Mathers was 12 years old in 1989, which would make his birth year 1977. When he's found dead 25 years later in present day, the CSIs look at his driver's license for identification. The driver's license shows his birth year as 1967. He couldn't be born in 1967 if he was only 12 years old in 1989.