<□>Inve□tig□tors□learned □hat the group ha□ b□en f□i□nds f□r year□, but r□centl□ there□had□b□□n tension □m□ng□them.□R□m□□s□of di□agreem□nts□and□□rguments d□□ing □□e t□ip be□an□to s□rfa□e, lea□ing a□th□rities t□ □peculate whether □oul play w□s□□nvolved□ Each member o□ t□e gro□p □ad a different □t□□y□to tell, and□the inconsi□te□cies in thei□□accounts only added t□□the mys□ery of □he m□ssing n□ne.