 Active research went on in the days following the execution of Roux de Marcilly, much likely to further avowals and revelations he gave away while being tortured.On 12 June 1669, while the plot was already known and everything was in place for the condemnation of Roux, Lionne informed Colbert that a certain "Martin", Roux's valet, was very urgently sought in France by the King.In a letter of 1 July 1669, Colbert, who had not managed to persuade Martin to go to Paris, proposed to Lionne "to write to the King of England and ask him to have this man [a certain accomplice named Veyras] and […] Martin, Roux's valet, arrested and taken to Calais", which King Charles II could not refuse as Roux was acting from London.