The fourth crusade: a plot?

Was there a "plot" to divert the Fourth Crusade to Constantinople, and if so who was responsible? "We will never know, and science has truly something better to do than to discuss indefinitely an insoluble problem" -P. Mitrofanov This famous comment on the fourth crusade and the question of a "plot" was made well over a century ago, and very little new evidence has emerged since. So why return to this topic? Most modern historians …showed first 75 words of 2881 total…

…showed last 75 words of 2881 total…Mayer, H. E. The Crusades, (1988) Pernoud, Regine The Crusades, (London, 1962) Riley-Smith, Jonathon -A Short History of the Crusades, (1986) -Atlas of the Crusades, (1991) Sayers, Jane Innocent III, (Essex, 1994) Hazard, H. & Zacour, N. P. (eds.) A History of the Crusades, Volume II Tillmann, Helena Pope Innocent III, (Amsterdam, 1980) Queller, Donald E. -The Fourth Crusade, (USA, 1978) -Medieval Diplomacy and the Fourth Crusade (London, 1980) Villehardouin, The Conquest of Constantinople, in Chronicles of the Crusades, Penguin Classics, (Middlesex, 1963)