The first revolutionary consultations were held in his house.

He wants to plough deep, and his devices for burying the ploughshare are such that Sieyes, a radical, if there ever was one, dubbed it a "cavernous policy."[1233] Duport, on the 28th of July, 1789, is the organizer of the Committee on Searches, by which all favorably disposed informers or spies form in his hands a supervisory police, which fast becomes a police of provocation.

He finds recruits in the lower hall of the Jacobin club, where workmen come to be catechized every morning, while his two lieutenants, the brothers Laurette, have only to draw on the same source for a zealous staff in a choice selection of their instruments.

"Ten reliable men receive orders there daily;[1234] each of these in turn gives his orders to ten more, belonging to different battalions in Paris.

In this way each battalion and section receives the same insurrectionary orders, the same denunciations of the constituted authorities, of the mayor of Paris, of the president of the department, and of the commander of the National Guard," everything taking place secretly.