Part of me does wonder why he did comment? I guess I can see pro and con of it. The link of the nutjob to shooting of the four Police Officers must be pretty strong if Huck then felt he had to do damage control.
I expect the police took statements from the patrons who witnessed the shootings - and many of the patrons could have given not only a good description of the suspect, but some may have even cooperated with an artist’s rendering .. and once the police saw that .. it might have given them a better idea of who they were looking for.