July 7, 2016: FBI Director Comey reveals that between 15 and 20 FBI agents were the core of the Clinton investigation, with many others lending help.

There has been a dispute over how many FBI agents were involved in the FBI’s Clinton investigation, with numbers ranging from a dozen to almot 150. It turns out different answers may be correct, depending on how one defines being involved. In a Congressional hearing, when FBI Director James Comey is asked how many FBI agents took part, he replies, “It changed at various times, but somewhere between 15 and 20. Then we used a lot of other FBI folks to help from time to time.” He also says they put three years of work into a single year. (CNN, 7/7/2016)