t took only 10 seconds for attorney Ronald Clarke Mattson to circle a "bait car" and scratch the vehicle with his keys, according to a surveillance video released Thursday by the King County Prosecuting Attorney's Office.It took only 10 seconds for attorney Ronald Clarke Mattson to circle a "bait car" and scratch the vehicle with his keys, according to a surveillance video released Thursday by the King County Prosecuting Attorney's Office. Earlier this month, Mattson, a lawyer since 1972, admitted he scratched three vehicles with his keys in the Columbia Center parking garage because he didn't like the way they...