Political animus on the part of FBI Investigators may be driving the entire investigation of Russian meddling, this undermining the integrity and reputation of the FBI and the potential for an actual, non-partisan investigation into a pattern of Russian meddling with US domestic politics.
According to the FBI ethics and Integrity Program Policy directive and Policy Guide, politcally-connected investigators of both the Clinton email probe and the Russian interference probes violated FBI policies in a gross manner. Here is the policy in full:
§ 45.2 Disqualification arising from personal or political relationship .
(a) Unless authorized under paragraph (b) of this section, no