In January 1804, his police uncovered an assassination plot against him that involved Moreau and which was ostensibly sponsored by the Bourbon family, the former rulers of France.
V januári 1804 odhalila polícia vražedné sprisahanie proti Napoleonovi zahrňujúce i Moreaua, ktoré bolo zdanlivo pod záštitou Bourbonovcov, bývalých vládcov Francúzska.