- comm ission ed ▁officers ▁( N CO s ) ▁and ▁soldiers ▁of ▁the ▁A FL ▁led ▁by ▁Master ▁Serge ant ▁Samuel ▁Do e ▁launched ▁a ▁violent ▁coup ▁d ' état . ▁All ▁of ▁the ▁consp ir ators ▁were ▁ind igen ous ▁Liber ians , ▁while ▁Tol bert ▁belonged ▁to ▁Amer ico - L iber ians , ▁the ▁community ▁which ▁had ▁ruled ▁the ▁country ▁since ▁the ▁Liber ian ▁Dec laration ▁of ▁Independ ence ▁in ▁ 1 8 4 7 . ▁The ▁group ▁entered ▁the ▁Executive ▁M ansion ▁( pres ident ial ▁palace ) ▁and ▁killed ▁Tol bert , ▁whose ▁body ▁was ▁dump ed ▁into ▁a ▁mass ▁grave ▁together ▁with ▁ 2 7 ▁other ▁vict ims ▁of ▁the ▁coup . ▁It ▁is ▁reported ▁that ▁Harrison ▁P enn oh ▁was ▁the ▁person ▁that ▁killed ▁Tol bert . ▁Later , ▁a ▁crowd ▁of ▁angry ▁Liber ians ▁gathered ▁to ▁shout ▁ins ult s ▁and ▁throw ▁rocks ▁at ▁the ▁bodies . ▁ ▁After math ▁By ▁the ▁end ▁of ▁April , ▁most ▁of ▁the ▁cabinet ▁members ▁of ▁the ▁Tol bert ▁administration ▁had ▁been ▁put ▁on ▁trial ▁in ▁a ▁k ang ar oo ▁court ▁and ▁sent enced ▁to ▁death . ▁Th ir teen ▁of ▁them ▁were ▁public ly ▁executed ▁by ▁firing ▁squad ▁on ▁ 2 2 ▁April ▁at ▁a ▁beach ▁near ▁the ▁Bar cl ay ▁Training ▁Center ▁in ▁Mon ro via . ▁The ▁executed ▁were : ▁▁ ▁Frank ▁E . ▁Tol bert ▁— ▁brother ▁of ▁President ▁Tol bert ▁and ▁President ▁pro ▁temp ore ▁of ▁the ▁Senate ▁ ▁Richard ▁A .