Chicago Police Supt. Garry McCarthy promotes Constantine G. “Dean” Andrews cop under investigation in Richard M. Daley nephew (Richard J. "R.J." Vanecko) cover up case who killed David Koschman

PHOTO: Constantine G. “Dean” Andrews (left) listens as Chicago Police Supt. Garry F. McCarthy discusses weekend murders and shootings at Chicago Police Headquarters on March 19, 2012. On Monday, Oct. 5, 2015, McCarthy announced Andrews’ promotion to chief of detectives in a news release that detailed command staff restructuring. | Rich Hein/Sun-Times


CHIRAQ - CHICAGO - Chicago Police Supt. Garry McCarthy has a new chief of detectives — a veteran cop under investigation for his role in creating a fictitious witness statement that helped prevent former Mayor Richard M. Daley’s nephew from being charged with killing David Koschman.

Constantine G. “Dean” Andrews was deputy chief of detectives in 2011 when he was placed in charge of reinvestigating the Koschman case and closed it without charges, concluding that Daley nephew Richard J. “R.J.” Vanecko had punched Koschman in self-defense.

Cook County Judge Michael P. Toomin later ruled that police and prosecutors “conjured up” the self-defense conclusion. Toomin appointed a special prosecutor, Dan K. Webb, who led an investigation that resulted in Vanecko pleading guilty to involuntary manslaughter in January 2014.

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