Fedor Baart, a simulation specialist at Deltares, explained: "We didn't know exactly when the inmates launched their boats, or their precise starting point, and so we decided to release 50 [virtual] boats every 30 minutes between 2000 and 0400, from a range of possible escape spots at Alcatraz to see where they would end up.

ncG1vNJzZmivp6x7o67CZ5qopV%2Bjsri%2Fjqyaop2emLJusc2voKunnqKyr8CMbGdsbGlmfXc%3D