Clarke told conservative radio host Vicki McKenna during an interview: "I'm both honored and humbled to be appointed to this position by Secretary Kelly, working for the Trump administration".
Clarke, a visible surrogate for Trump during the campaign known for his incendiary rhetoric, earned a master's degree in security studies at the Naval Postgraduate School in Monterey, California.
According to CNN, Clarke failed to attribute his sources "at least 47 times", and did not "indicate with quotation marks that he [was] taking the words verbatim", something the guidelines of the Naval Postgraduate School's website cites as plagiarism.
Clarke reportedly used language from sources including the American Civil Liberties Union, the Pew Research Center, the 9/11 Commission, the Government Accounting Office, as well as sections from a textbook, a Washington Post article and George W. Bush's book "Decision Points".
Clarke - who announced this week he would join the Trump administration as an assistant secretary in the Department of Homeland Security - completed the thesis on USA security for the Naval PostGraduate School in Monterey, Calif., the station reported.
Times Square rampage: Three still critical, driver charged with murder
The Navy vet was arrested just last week and charged with pointing a knife at a notary, whom he accused of stealing his identity. She always wanted to make people happy. "She will be deeply missed by the staff and students here", Mr Alburtus said.
A strong conservative who runs for office as a Democrat, Clarke rose to prominence past year with vocal support for the Trump presidential campaign. Days later, Politico reported that Crowley also plagiarized multiple sections of her doctoral dissertation in worldwide relations.
The plagiarism allegations are in an online story from reporter Andrew Kaczynski and two others.
On top of managing a jail where people die brutally due to staff negligence or worse, Milwaukee Sheriff and possible soon-to-be assistant secretary of the US Department of Homeland Security, Davd Clarke Jr., can now add "plagiarist" to his sterling resume, a quality that the lying regime that may have just hired him will no doubt find attractive. "Guy is a sleaze bag", Clarke tweeted.
He has praised and supported Trump's executive orders on immigration. A spokesperson for DHS later said Thursday that no announcement had been made regarding Clarke's appointment.
Fans of the sheriff, who shot to controversy by describing Black Lives Matter protest groups as blood thirsty and hateful, poked fun at CNN's coverage of his college report.
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