He leaves the bar around 1:30 and is shot at 4:18, nearly two hours later. Cellular pings/activity in that general area during that time frame would be of interest.
<>Lou's City Bar <>Wonderland Ballroom at Kenyon and 11th <>Flagler Place NW
Hard to believe that someone missed seeing something.
THIS IS NOT A MEN-IN-BLACK MEMORY WIPE.