José M. Osorio, Chicago Tribune
May 19, 2012
A Chicago police officer looks through a piece of luggage at the scene where a suspicious package was found near Metra tracks seen here in Chicago on Saturday morning. The was removed by the officer and transported in his car. Trains were stopped for an hour and a half on the Metra Electric District line on the South Side while authorities investigated a suspicious package that, according to authorities, turned out to be an empty suitcase.