Sports | Lance Armstrong doping Lance Armstrong Escapes Doping Charges Federal prosecutors close investigation By John Johnson Posted Feb 3, 2012 4:36 PM CST Copied Lance Armstrong attends the 2011 Pan-Massachusetts Challenge on August 6, 2011, in Bourne, Massachusetts. (Getty Images) Good news for Lance Armstrong: Federal prosecutors won't charge him with doping, reports the AP. Authorities announced today that they're shutting down a two-year investigation into whether Armstrong juiced his way to repeated Tour de France glory. Armstrong has denied the charges all along, even as former teammates (like this one) went public with their allegations. Prosecutors didn't explain what prompted the decision. Read These Next Defense officials react to Hegseth's Quantico meeting. Colorado wants to give 'peace of mind' on Hunter S. Thompson. Government shutdown is here. Here's what to expect. President asks nation's top generals to loosen up. Report an error