Where a defendant answered police questioning voluntarily and the police did not obstruct a defendant’s path or prevent him from leaving, the encounter was voluntary and not an illegal seizure.The 7th U.S. Circuit Court of Appeals affirmed a decision by U.S. District Judge Thomas M. Durkin.In December 2015, Chicago police officers Robert Caulfield and Joseph Byrne were patrolling the Altgeld Gardens Housing Complex in the city’s South Side. The officers were in uniform and on patrol as part of a police effort …