we are all armchair detective these days. whether law and order or csi, we all know the tools of the trade. when police anounsz they were closing the case on the murder of ronni chasen, we still had a long list of questions. i mean, me. i really stumped our team in the meeting this morning. look at this. chasen was driving near sunset boulevard into beverly hills when police say she was shot and killed by ex-convict harold smith. he was riding a bicycle from his house. his house is six miles away. you following along? pat brown is a criminal profiler and author of "killing for sport" inside the minds of serial killers." beverly hills police say this is a random act of murder committed by an ex-con on his bike. do you think they have the right guy here? >> well, i tell you, this is