Zarate Willka Armed Forces of Liberation ( Fuerzas Armadas de Liberación Zárate Willca ) was a Bolivian guerrilla terrorist group which was organized about 1985 and surfaced with a series of bombings , assassinations , and attempted assassinations in La Paz , Bolivia , during 1988 and 1989 . They claimed responsibility for an assassination attempt on United States Secretary of State George P. Shultz in August 1988 , the bombing of the Bolivian Parliament in December 1988 , another bombing which caused a local blackout , the bombing of an LDS Church meetinghouse , the slaying of two American Mormon missionaries ( Elders Jeffrey Brent Ball and Todd Ray Wilson ) on May 24 , 1989 , and the bombing of the US Embassy in a failed attempt to assassinate US Ambassador Robert S. Gelbard on December 20 , 1989 . By 1991 , most members of the group had been apprehended , tried , convicted and imprisoned , and the organization was effectively disbanded
slaying
Assassinations of Jeffrey Brent Ball and Todd Ray Wilson
Zarate Willka Armed Forces of Liberation