(CNN) Statement by Andrew McCabe:

I have been an FBI Special Agent for over 21 years. I spent half of that time investigating Russian Organized Crime as a street agent and Supervisor in New York City. I have spent the second half of my career focusing on national security issues and protecting this country from terrorism. I served in some of the most challenging, demanding investigative and leadership roles in the FBI. And I was privileged to serve as Deputy Director during a particularly tough time.

For the last year and a half, my family and I have been the targets of an unrelenting assault on our reputation and my service to this country. Articles too numerous to count have leveled every sort of false, defamatory and degrading allegation against us. The President's tweets have amplified and exacerbated it all. He called for my firing. He called for me to be stripped of my pension after more than 20 years of service. And all along we have said nothing, never wanting to distract from the mission of the FBI by addressing the lies told and repeated about us.

No more.

The investigation by the Justice Department's Office of Inspector General (OIG) has to be understood in the context of the attacks on my credibility. The investigation flows from my attempt to explain the FBI's involvement and my supervision of investigations involving Hillary Clinton. I was being portrayed in the media over and over as a political partisan, accused of closing down investigations under political pressure. The FBI was portrayed as caving under that pressure, and making decisions for political rather than law enforcement purposes. Nothing was further from the truth. In fact, this entire investigation stems from my efforts, fully authorized under FBI rules, to set the record straight on behalf of the Bureau, and to make clear that we were continuing an investigation that people in DOJ opposed.

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