□p□□nvestiga□or□ □ear□ed that th□□group had □een□frien□□ f□r y□ars, but rece□tl□□there had b□en tensi□n □mong them. Rumors of disa□□eements and ar□u□ent□ during the□t□ip□b□gan to □u□face, leadin□ □utho□i□ie□ to specu□ate whether foul play wa□ involved. Each□□ember o□ t□e gro□p had a different sto□y □□ tell, and □h□ incons□s□enc□es in the□r account□□□□ly□adde□ to the my□tery of□the miss□ng nine.