□p>Investiga□ors lear□□d that the group h□□□been friend□□for yea□s, but recently ther□ h□d be□n tensi□n among them. Rumors of □isa□□eements and argum□□ts durin□ the tr□p began to sur□a□e, l□a□ing au□horit□es to □peculat□ whether □oul□pla□ □a□□in□o□v□□. Each □ember o□ t□e group ha□ a differen□□story to □ell,□an□□th□ inc□nsistencie□ in □he□r□accounts only added □o th□ □ys□ery of□the □□ss□□g ni□e.