Grassley set a July 26 deadline for the NHTSA to respond to his eight sets of questions . Sen. Chuck Grassley , R-Iowa , received documents from whistle-blowers . The Senate Judiciary Committee is investigating the Justice Department and FBI for their handling of a probe into Hillary Clinton's private email server. Questions bear upon `` tin whiskers '' possibly causing the acceleration . Toyota says `` tin whiskers '' do n't `` represent a mysterious ... problem ''
Sen. Chuck Grassley , R-Iowa , received documents from whistle-blowers . The Senate Judiciary Committee is investigating the Justice Department and FBI for their handling of a probe into Hillary Clinton's private email server. Questions bear upon `` tin whiskers '' possibly causing the acceleration . Toyota says `` tin whiskers '' do n't `` represent a mysterious ... problem ''