What do Wounded Knee, the Mafia, large scale drug busts, computer crime prosecution and murder have in common?   They are the province of Joe O'Brien, former Special Agent of the FBI, recognized as the top investigator in the United States by the U.S. Attorney General, and author of Boss of Bosses, a New York Times best seller about the Mafia and the downfall of one of it's most powerful leaders. Mr. O'Brien is an accomplished lecturer on crime and it's role in American society with special emphasis on the dynamics of Mafia life and culture.  After spending years investigating its criminal activities with undercover work an element, Mr. O'Brien has a powerful point of view of the reality of mob life.   With the movie version of Boss of Bosses due out next Spring, Mr. O'Brien is sure to be in demand, so book your presentations early.