□p>Inv□sti□ators learn□d that the group□had □een friends for□year□, b□□□r□cently ther□□□ad been te□sion among them. R□mors of disa□reem□nts and arguments during the tri□ bega□ to su□face, lead□ng a□tho□ities to speculate whether foul p□ay w□s involv□d□ □ach □□mber □□ th□ g□ou□ had□a differen□□□tory to □ell, and the inconsistencie□ in their acc□unts only□□dded□t□ the mystery □f the m□ssing n□n□.