USADA Head Receiving Death Threats

Decision regarding Lance Armstrong has hit a nerve or two

PARIS — The head of the U.S. Anti-Doping Agency tightened security within his organization after receiving several death threats during his investigation of Lance Armstrong.

In an interview published Monday in French sports daily L'Equipe, USADA chief executive Travis Tygart said he has felt obliged to take stronger security measures since opening investigations into Armstrong and members of the former U.S. Postal team.