The Washington Square Ensemble
How does Whelan entrap the Washington Square ensemble in the novel, The Washington Square Ensemble?
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When Porco drops hints about the ensemble's operation to Whelan, he persuades his reluctant friend and police officer, Sal, to meet him in Washington Square Park for a chess game which is actually a cover for surveillance. Whelan's surveillance is successful, and the group is broken up.
The Washington Square Ensemble