Inve□tiga□or□□□□arned□that the g□oup had□be□n f□i□nds for□years, but rece□tly □he□e had bee□ tension a□ong t□em. R□mor□□of disagreements □n□ argume□ts□during□the tr□□ b□gan to surfac□, l□□ding au□h□r□ties to speculate w□ethe□ foul play wa□ involved. Each m□mb□r of □he grou□ □ad a d□□ferent st□r□ to□te□l, and the inco□s□stencies in t□eir accounts only□added to the □y□tery □f t□e missing nine.