The Day Long Duel Between Doctor and Federal Agent
By Shealyn Kilroy
For BigTrial.net
Special Agent Joshua Gill wasn't taking the attorney role of Dr. William O'Brien 3d seriously.
O'Brien had been asking how the agents could determine how much medication was too much to be prescribed considering the agents weren't doctors. It was a subject that O'Brien returned to all Friday during his day-long cross-exa…