It became notorious that there were traitors among the British. De Rullecourt possessed a plan of the fortifications, the towers, the cannons and so on, saying that without good friends in Jersey, he would not have come. The French knew the exact number of British troops and militia, the names of the officers commanding them, and more. In the papers found in the General's trunk was the name of one Mr. Le Geyt, a Jerseyman who was later seized, as was another suspect.