Complex sentence: Jose Sanjenis Perdomo was a cuban secret police, under the orders of Fulgencio Batista, that is I exile in United States after the rise of Fidel Castro to power.
Split into simpler sentences: Jose Sanjenis Perdomo was a cuban secret police, under the orders of Fulgencio Batista. He went into exile in United States after the rise of Fidel Castro to power.