NEW : However , they argue , no evidence of an administration-wide conspiracy has emerged so far , with the inspector general 's report that revealed the problem blaming poor management and stating there was no known political motivation . Legislators clash at a House hearing where victims of targeting appeared . The FBI has been investigating the Russian hacking for months and issued an alert in October to state election officials about their systems being targeted. Congress , the IRS , the inspector general and the Justice Department are investigating . The GOP House Appropriations chairman evokes Nixon in warning of an enemies list .
NEW : Legislators clash at a House hearing where victims of targeting appeared . The FBI has been investigating the Russian hacking for months and issued an alert in October to state election officials about their systems being targeted. Congress , the IRS , the inspector general and the Justice Department are investigating . The GOP House Appropriations chairman evokes Nixon in warning of an enemies list .