A Brief History of FBI Semiauto Pistols – Scattered Shots
Sample section appetizer:
… Basically, the FBI and FTU had advocates for both the 9x19mm (Bill Vanderpool) and .45 Auto (Urey W. Patrick) and the choice of 10mm had the political advantage of splitting the difference. It could potentially satisfy agents who blamed the failure in Miami on the 9mm cartridge, and would never trust it even with different ammunition. The mid-velocity 10mm’s ballistics were close enough to the .45 ACP, yet it was not burdened with the negative connotations of the .45’s mythology.
There was talk that the Director Sessions and other FBI leaders feared that Congress would balk on funding new .45 Auto pistols for the FBI when the US Army had just dumped the .45 for new 9mm pistols. …