During this conflict, one of the leaders used the 
During this conflict, one of the leaders used the island of Lido as a prison for those in his debt. The course of the war was altered by a meeting in Hagenau between Phillip Hohenstaufen and Boniface of Montferratt; their decision eventually led to the deposition of the "bushy-eyebrowed" Alexius V and the subsequent ascension of the Latin Empire. Earlier, Simon de Montfort had deserted the effort after he refused the overtures of Enrico Dandolo to sack a Dalmatian city. Originally aimed at conquering Egypt, this is, FTP, what war, which saw the first sack of Constantinople and a repeat of the failure of Frederick Barbarossa and Richard the Lion-Hearted to take Jerusalem?
During this conflict, one of the leaders used the island of Lido as a prison for those in his debt.
the Fourth Crusade