AdvertisementREAD: Mueller's Letter Expressing Concern About Barr's Summary Of His ReportMay 01, 2019Jason BreslowfacebookEmailSpecial counsel Robert Mueller, pictured in 2011, told Attorney General William Barr in a March 27 letter that Barr's summary of his investigation "did not fully capture the context, nature, and substance of this Office's work and conclusions." (Getty Images)