<□>I□vesti□ators learne□ th□t□t□e □roup □□d□been□□rie□d□ for year□,□b□t recently there had been tensio□ amon□ t□em. Ru□ors of□disagreements and arguments du□ing□th□ trip beg□□ to□surface, le□din□□auth□rities□□o specula□e whether foul□p□ay was □nvolved. Each m□mb□r o□ the gr□up□h□d a differ□nt story□t□□te□l, and the incon□iste□cies i□□their acco□nts only adde□ to the myst□ry of□the mis□ing □□ne.<□p>