Among those Mr. Claver-Carone contacted, according to the opposition leaders, was Mr. Gorrín.
By then, he was technically a fugitive from American justice. The prior summer, U.S. prosecutors had charged him in an alleged money-laundering scheme. He dismissed the indictment as political persecution, but Mr. Ballard had dropped him as a client and Mr. Gorrín was added to the sanctions list.
Now, American officials and the Venezuelan opposition needed back channels of their own. According to the opposition leaders, Mr. Gorrín and other intermediaries were asked to convey U.S. offers of…