i know and calling the attack an attempted modern day lynching. the show empire is filmed in chicago. crew members have been given extra security. smollett told cnn he was shaken by the attack. his publicists says he's out of the hospital and recovering. police are hoping to learn more about who the people in the surveillance video are. so far more than a dozen investigators are working this case with the assistance of the fbi. now u.s. congressman from illinois bobby rush is calling for an immediate and sweeping civil rights investigation into the racist and homophobic attack on jussie smollett. >> and sarah joins me now. these pictures are pretty blurry. you can't see much. these are people police want to talk to know whether they know anything about it, correct? >> reporter: that is right. they say these two people were in the vicinity of where the alleged battery and assault on jussie smollett happened. he reported it.