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And what we were told , at the time , and what seems to be the prevalent thinking today , is that the first source is some kind of prescription fraud , copied prescriptions , altered prescriptions , stolen prescriptions . A similar tone of sentiment might by this time have been prevalent in our own country , if the circumstances which for a time encouraged it had continued unaltered . Ethics officers , who enforce codes of ethics , are now prevalent in an increasing number of big companies . The first few times it happened it was assumed that the operator had reported under the influence , but incidents became so prevalent that they came to the attention of the FBI and then to the CIA and other agencies concerned with how enemies might undermine America .