 Chamblain aiva mutevedzeri wemukuru wesangano revarwi, Front for the Advancement and Progress of Haiti FRAPH, rakaumbwa muna Nyamavhuvhu 1993 apo kusawirirana kwakakura pakati pevatsigiri vekudzoserwa kwaAristide uye vatsigiri vehurumende yemauto. Nokuguma kwehurumende yechiuto uye kudzorerwa kwaAristide kutevera US Operation Uphold Democracykupindira muna 1994, Chamblain akaenda kunhapwa muDominican Republic. Akanga atongerwa mhosva asiripo nokuda kwokubatanidzwa kwake mukupondwa kwaAntoine Izméry, mutsigiri anozivikanwa worusununguko, uye nokuda kwokubatanidzwa kwake muRaboteau Massacre. 