 In December 2014, the Special Inspector General for Afghanistan Reconstruction released letters detailing fresh allegations related to TFBSO practices involving imprudent spending, profligate travel by employees and contractors, and possible mismanagement under former TFBSO Director Paul Brinkley.Between the beginning of its operations in Afghanistan in 2010 and March 2013, TFBSO spent nearly $700 million.One letter raised safety concerns relating to a natural gas pipeline in northern Afghanistan, Sheberghan-Mazar, that has suffered years of corrosion and that TFBSO helped to repair.