Short answers, pulled from the story.
Carlos Castillo Armas was born on the 4th of November 1914 in Santa Lucía Cotzumalguapa. He grew up as the son of a landowner but remained out of wedlock and ineligible to inherit property.
Carlos Castillo Armas served under Colonel Francisco Javier Arana during the uprising against Federico Ponce Vaides in June 1944. This event marked the beginning of the Guatemalan Revolution and introduced representative democracy to the country while Árbenz described his former comrade as modest, brave, and sincere.
The CIA retained Carlos Castillo Armas's services paying him $3,000 a week after Operation PBFortune ended in 1952. This money allowed him to maintain a small force while ensuring he did not attempt premature action even though the agency received reports from an agent operating under the code name Seekford about planned assassinations.
On the 26th of July 1957 Carlos Castillo Armas was shot dead by Romeo Vásquez Sánchez inside the presidential palace. The assassin approached him while walking with his wife and fired twice killing him instantly before fleeing to another room and committing suicide.
Carlos Castillo Armas created a National Committee of Defense Against Communism that investigated nearly 70,000 people between 1954 and 1957. Many were imprisoned executed or disappeared frequently without trial under Decree 59 which permitted security forces to detain anyone on the blacklist for six months without trial.