They were collecting evidence for Henri Cleutin and Jacques de la Brosse, the French advisors of Mary of Guise who planned to have the Hamiltons charged with treason against his half-sister, Mary, Queen of Scots and France.
The individuals were gathering evidence for Henri Cleutin and Jacques de la Brosse, French supporters of Mary of Guise. Their objective was to accuse the Hamiltons of treason against Queen Mary of Scots and France.