FULL ANSWER. Ford granted the blanket pardon to former president Nixon on Sept. 8, 1974, a month after Nixon had resigned from office in the wake of the Watergate scandal.
Hemosiderin staining is dark purple or rusty discoloration of the lower legs caused by chronic venous disease. A 2010 study found hemosiderin staining in all subjects with lipodermatosclerosis and venous ulcers. When vein valves fail, regurgitated blood forces red blood cells (RBCs) out of capillaries.
Hemosiderin is an iron-complex which is grabbed up by the macrophages, the scavenger cells of the body. Hemosiderin forms after trauma or hemorrhage as it results from the break down of red blood cells. Hemosiderin causes the yellow-brown pigmentation one sees as a bruise is healing.