On Saturday, April 20, the Richmond Police Activities League’s board of directors will host a dedication of the Technology Center officially naming it for retired Richmond Police Department Capt. Arthur Lee Johnson at 11 a.m. at 2200 Macdonald Ave. Retired RPD Captain Arthur Lee Johnson is a founding member of RPAL, having served on the board of directors since 1982. For his dedicated service to Richmond youths, RPAL will dedicate its Technology Center in his honor. | Special to The Post On Saturday, April 20, the Richmond Police Activities League’s board of directors will host a dedication of the Technology Center officially naming it for retired Richmond Police Department Capt. Arthur Lee Johnson at 11 a.m. at 2200 Macdonald Ave. Retired RPD Captain Arthur Lee Johnson is a founding member of RPAL,