NEW : Nelson faces one count of 3rd-degree -degree assault , one count of 1st assault . We do not yet know to what extent and wo n't for many days . NEW : Police are looking for another suspect , identified as a white male in December . NEW : Nelson is suspected of attacking a former linebacker at Minnesota State University . NEW : Isaac Kolstad graduated in December ; his family describes him as a caring man .
NEW : Nelson faces one count of 3rd-degree -degree assault , one count of 1st assault . NEW : Police are looking for another suspect , identified as a white male in December . NEW : Nelson is suspected of attacking a former linebacker at Minnesota State University . NEW : Isaac Kolstad graduated in December ; his family describes him as a caring man .