a witness that stop at park said there was no car,but somebody else was standing on the parking lot.
And that "witness" was none other than Patrick Knowlton, an upstanding citizen who suffered extreme FBI and White House harrassment for refusing to recant his testimony in the FBI reports about what he saw.
If anyone wants to pursue this further, check out Alamo Girl's documentation, or do a search on +"Starr Report" +"addendum"