Trap?
He would set one himself.

The man who eventually came to negotiate would be made a prisoner and forced to disclose the identity of the man who had interfered with the great projects of Boris Karlov, plenipotentiary extraordinary for the red government of Russia.
Midtown, Cutty tapped his breakfast egg dubiously.

Not that he speculated upon the freshness of the egg.

What troubled him was that advertisement.

Last night, keyed high by his remarkable discovery of the identity of his guest and his cupidity relative to the emeralds, he had laid himself open.