The People v. Mann

At a bench trial in the criminal court of Cook County, David Mann, defendant, was convicted of unlawfully selling narcotic drugs and was sentenced to the penitentiary for a term of not less than 10 nor more than 25 years. Upon writ of error he contends that he was not proved guilty of the crime charged and that improper evidence was presented by the People both at time of trial and upon hearing in aggravation or mitigation.

The record indicates that about noon on August 17, i960, Joseph M. Arpaio, a United States Treasury agent, met one Thomas Durkin at the northwest corner of Carroll and…