A Chicago Police officer who chased a gunman inside a hospital and was killed in a shoot-out last week was remembered on Monday as a "guardian" who was devoted to helping others long before he joined the police force. Speaking to more than 1,000 people in the Chapel of St. Joseph at Shrine of Our Lady of Guadalupe in Des Plaines where Samuel Jimenez, his wife and their three young children regularly attended Mass, Chicago Mayor Rahm Emanuel told the hundreds of officers and other mourners t