As soon as the escape was discovered, suspicion fell on Jaques's friends, who were openly taxed with connivance. The matter looked worse for them when they laid claim to the money considered forfeited by the disappearance of the debtor, and the law stepped in to prosecute inquiry. The head turnkey, tracking Shanley to Calais, went in pursuit. At the same time a correspondence which was in progress between the conspirators on either side of the Channel was intercepted by order of the Secretary of State, and the letters handed over to the warden's solicitors. From these the whole plot was discovered, and the guilt of the parties rendered the more sure by the confession of Shanley. Jaques was arrested, tried, and convicted at the Old Bailey, receiving the sentence of three years' imprisonment, with one public exposure on the pillory at the Royal Exchange. A curious accident, however, helped to obtain the premature release of Jaques from Newgate. A Sir James Saunderson having been robbed of a large sum in cash and notes, portion of the stolen property was brought into Newgate by some of the thieves, who were arrested on another charge. The notes were intrusted to Jaques, who pretended he could raise money on them. Instead of this, he gave immediate notice to their rightful owner that he had them in his possession. Jaques afterwards petitioned Sir James Saunderson to interest himself in his behalf, and through this gentleman's good offices he escaped the exposure upon the pillory, and was eventually pardoned.