[2][4] Ricardo Medina was the Chief of Confidential Department 1 until Mariano Faget Diaz took over his duties, before becoming director of the Bureau for the Repression of Communist Activities (BRAC).
[2] According to a 1958 Treasury Department report, The Bureau performed admirably in the investigation of illegal gambling at the Tropicana Club, the National Casino, and the Capri: "The Cuban Bureau of Investigation has been mugging and printing the gamblers and the technicians and has practically completed the job.
In the event the [FBI] desires copies of the pictures and prints same can be photostated and forwarded.
"[5] In the final year of US-Cuban relations, Adolfo Díaz Lorenzo was chief of the Narcotics Unit.
[6] In April 1942, in Cuba during World War II, the Cuban Bureau of Investigation made 50 arrests for espionage.