"I was constantly surprised at how easily I was able to assume a new identity in this country—
and no questions asked. Only 10 days after my escape from prisoner-of-war camp, I walked into
a Social Security Administration office in Chicago and applied for a Social Security number."
"Once I obtained my Social Security number, I could go to work anywhere in the United States.
Such absolute freedom of activity is permitted in few other nations. In Germany, a citizen must
register with the government whenever he changes his address. Supervision is even stricter in
Russia. If I had escaped from a Russian prisoner-of-war camp, I'm sure I would have been
recaptured within a few days"
Read about the escaped German POWs who the FBI never found...