CHICAGO —(ENEWSPF)--May 6, 2015. Former Chicago police officer Francis Zoller was the final defendant to be sentenced today in the six year investigation Operation Tow Scam, led by the Federal Bureau of Investigation. Zoller, 46, of Chicago, pled guilty on June 11, 2014 to one count of attempted extortion under color of official right and one count of mail fraud. U.S. District Court Judge Samuel Der-Yeghiayan sentenced Zoller to 12 months and one day in prison, followed by a term of one year of supervised release. Judge Der-Yeghiayan also ordered Zoller . . .