>> carley: investigators are still searching for a suspect who shot and killed an off-duty chicago police officeri returnig home from work sunday morning. jackie ibanez joins us. >> he was still in uniform when he was gunned down just before 3:00 a.m. yesterday. atf and sheriff's office have joined the search. he was taken to a nearby hospital and pronounced dead. his car was stolen and they are investigating whether a c carjacking could have led to the deadly shooting. >> there are people who are brazen and cowardly in the way they go about their days and carry out violent acts against