 CIA records from the National Security archive reveal that Mas Canosa paid Luis Posada Carriles, $5000 to cover the expenses of a demolition operation in Mexico.According to Luis Posada Carriles, in 1985, Mas Canosa financed Carrile's escape from a prison of maximum security in Venezuela, where he was imprisoned for being the intellectual author of the explosion of a Cuban airliner that resulted in the death of 73 civilians.In 1969, Mas Canosa went into business with the owners of Iglesias y Torres, a floundering and overextended construction firm that constructed and serviced telephone networks in Puerto Rico.