Meghan McCain called evidence unveiled Friday that Russia had targeted her late father Sen. John McCain John Sidney McCainAnalysis: Biden victory, Democratic sweep would bring biggest boost to economy The Memo: Trump's strengths complicate election picture Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE "the highest compliment."

The daughter of the late Arizona senator was referring to a Justice Department complaint released Friday disclosing the degree to which Moscow is seeking to interfere in the United States.

The complaint highlights some examples of how Russia used messaging to try to "sow discord" in the U.S. political system, including targeting McCain and Republican politicians.

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Meghan McCain tweeted that the attacks against her father show "that Putin and Russia at large have always hated and felt so deeply threatened by him," which she described as an honor for her family.

My father and family are paid the highest compliment that Putin and Russia at large have always hated and felt so deeply threatened by him. https://t.co/Mn4eGAzrdu — Meghan McCain (@MeghanMcCain) October 19, 2018

Russians were instructed to portray McCain as "an old geezer who has lost it and who long ago belonged in a home for the elderly."

"Emphasize that John McCain’s pathological hatred toward Donald Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE and towards all his initiatives crosses all reasonable borders and limits," the messaging highlighted in the complaint continues.

It also pushed Russians to portray McCain and other Republicans as "dishonorable scoundrels."

Republican Sens. Marco Rubio Marco Antonio RubioGOP lawmakers distance themselves from Trump comments on transfer of power McConnell pushes back on Trump: 'There will be an orderly transition' Graham vows GOP will accept election results after Trump comments MORE (Fl.), Mitch McConnell Addison (Mitch) Mitchell McConnellTrump 'no longer angry' at Romney because of Supreme Court stance On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline The Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power MORE (Ky.) and Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (Wi.) were also among those shown to be targeted by Russian messaging.