□p□In□estigators le□r□ed tha□ the □□o□p □ad been fri□n□s□□o□ years□ but r□cently t□□re h□d been tension among them. Rum□rs of □isagree□ents an□ ar□umen□s during the □ri□ began to□surfa□e□ leading au□horitie□ to sp□c□late w□ether foul pl□y □a□□invol□ed.□Each memb□□ of the □roup had a □iffer□nt st□ry to t□ll, an□ the in□□nsistencie□ in thei□ account□ only adde□ to the mys□ery of □he □issing nine.