He contacted military officials from the Secretary of the Army down to Schine's company commander and demanded for Schine to be given light duties, extra leave, and exemption from overseas assignment.
At one point, Cohn is reported to have threatened to "wreck the Army" if his demands were not met.
However, in 2014, five historians who had published on the Rosenberg case wrote that Soviet documents show that "Ethel Rosenberg hid money and espionage paraphernalia for Julius, served as an intermediary for communications with his Soviet intelligence contacts, provided her personal evaluation of individuals Julius considered recruiting, and was present at meetings with his sources.
They also demonstrate that Julius reported to the KGB that Ethel persuaded Ruth Greenglass to travel to New Mexico to recruit David as a spy." There is a consensus among historians that Julius and Ethel Rosenberg were guilty, but their trial was marred by clear judicial and legal improprieties – many on the part of Cohn – and they should not have been executed.
That conflict, along with Mc Carthy's accusations of Communists in the defense department, led to the Army–Mc Carthy hearings of 1954, in which among other developments the Army charged Cohn and Mc Carthy with using improper pressure on Schine's behalf, and Mc Carthy and Cohn countercharged that the Army was holding Schine "hostage" in an attempt to squelch Mc Carthy's investigations into Communists in the Army.
Cohn was given free rein in pursuit of many investigations, with Mc Carthy joining in only for the more publicized sessions.Convinced that the employment of homosexuals was now a threat to national security, President Dwight Eisenhower signed an executive order on April 29, 1953 to ban homosexuals from obtaining jobs in the federal government. David Schine, an anti-Communist propagandist, to join Mc Carthy's staff as a consultant.When Schine was drafted into the US Army in 1953, Cohn made repeated and extensive efforts to procure special treatment for Schine.Greenglass would later claim that he lied at the trial in order "to protect himself and his wife, Ruth, and that he was encouraged by the prosecution to do so." Cohn always took great pride in the Rosenberg verdict and claimed to have played an even greater part than his public role.He said in his autobiography that his own influence had led to both Chief Prosecutor Saypol and Judge Irving Kaufman being appointed to the case.; February 20, 1927 – August 2, 1986) was an American attorney. Department of Justice prosecutor at the espionage trial of Julius and Ethel Rosenberg and later for representing Donald Trump during his early business career.