An interview with Dietl is included in the documentary '' Fabled Enemies '' by Jason Bermas of '' Loose Change '' fame . Dietl speaks about his relationship with FBI agent John P. O'Neill who was the leading expert on Osama bin Laden until his resignation from the FBI in August 2001 to become head of security at the World Trade Center , where he was killed in the September 11 attacks
September 11 attacks
September 11 attacks
Bo Dietl