 He destroyed the pirate fleet at Tunis belonging to John Ward and Kara Osman, in the summer of 1609.King Philip III then had Don Luis take charge of transporting the last 100,000 Moriscos (Christianized Moors) from Spain to Morocco.Don Luis then capture the pirate base of Larache, Morocco, in 1610, and tried to plug the channel to pirate haven at La Mamora (Medhia) at the West bank of the mouth of the Sebou river.