Sgt. Daniel P. Reigle, left, shown wearing the Medal of Honor he received for his gallantry
in the 1864 Battle of Cedar Creek. The Littlestown man served in the 87th Pennsylvania
during the Civil War. (THE (HANOVER) EVENING SUN -- MARC CHARISSE)
Four U.S. Presidents have been assassinated. One man was at the death bedside of three of those Presidents. Can you name him?