The scared little government clerk, darting conspiratorial glances all about him, brought the portfolio to the FBI.
"I found it in a bar down the street," he told the man who took him in tow. "Been going there for years. And I found this portfolio laying in the booth. I saw the man who must have left it there and I tried to find him later, but I couldn't."
"How do you know he left it there?"
"I just figured he did. He left the booth just as I came in and it was sort of dark in there and it took a minute to see this thing laying there. You see, I always take the same booth every day and Joe sees me come in and he brings me the usual and—"
"You saw this man leave the booth you usually sit in?"
"That's right."
"Then you saw the portfolio."
"Yes, sir."
"You tried to find the man, thinking it must have been his."
"That's exactly what I did."