Nereida Cruz , 21 , of Los Fresnos , Texas , died instantly after fall . Authorities believe she adjusted herself on ledge before slipping . Death is seventh spring break tragedy in less than a week on the island .
Nereida Cruz , 21 , of Los Fresnos , Texas , died instantly after fall . Authorities believe she adjusted herself on ledge before slipping . Death is second spring break tragedy in less than a week on the island .