only anthony garcia knows. when omaha detectives tried to talk with him. >> we introduced ourselves as detectives from the omaha police department and that we were investigating homicides in our jurisdiction, and mr. garcia immediately asked for an attorney. >> that's it? >> and that's it. i mean, at that point as an investigator, i can't continue questioning. >> reporter: later that afternoon, omaha police chief todd schmaderer stepped before the cameras to make the announcement that his city had been desperately waiting to hear. >> arrested this morning was dr. anthony joseph garcia for four counts of first degree murder and use of a weapon to commit the murders. >> reporter: for the families of roger and mary brumback of tom hunter and of shirlee sherman, the arrest was very welcome news. >> i'm at walmart with my kids, and danny calls me and says, "they made an arrest in the case." and i think i forgot about 20, 30 items on my grocery shoppin' list 'cause i was, like, real happy. i just -- the carton, rushed