Complex sentence: Ordained as a priest for the Archdiocese of Oklahoma City in 1963, he held several parish assignments there until 1968 when he was assigned as a missionary priest to Guatemala where he was murdered in 1981 in his Guatemalan mission rectory.
Split into simpler sentences: Ordained as a priest within the Archdiocese of Oklahoma City in 1963, he held several domestic parish assignments before being assigned as a missionary priest in Guatemala in 1968. Rother was murdered in 1981 in his Guatemalan mission rectory.