The NYC Mayor’s Office of Criminal Justice held a graduation ceremony and rough cut screening for the Flip the Script cohort.

Greenback School rolled out the red carpet at the end of the recent school year to welcome a slew of special guests.

Includes index Cipher of Mary Queen of Scots -- Le Chiffre indechiffrable -- Mechanization of secrecy -- Cracking the enigma -- Language barrier -- Alice and Bob go public -- Pretty good privacy -- ...