▁stad ium , ▁Camp ▁N ou . ▁ ▁In ▁ 1 9 8 5 ▁after ▁the ▁He ys el ▁dis aster , ▁where ▁ 3 9 ▁people ▁died ▁due ▁to ▁h ool igan ▁ri ots ▁and ▁a ▁col laps ing ▁wall , ▁the ▁Bo ix os ▁No is ▁raised ▁a ▁b anner ▁at ▁the ▁Camp ▁N ou ▁South - end ▁with ▁the ▁text ▁" ¡ G ra cias ▁Liverpool !" ▁( Thanks ▁Liverpool !) ▁and ▁replaced ▁the ▁traditional ▁Catal an ▁flag , ▁the ▁Sen y era , ▁with ▁a ▁sw ast ika . ▁The ▁former ▁president ▁N ú ñ ez ▁react ed ▁by ▁re loc ating ▁the ▁group ▁to ▁the ▁third ▁tier ▁of ▁Camp ▁N ou . ▁The ▁Bo ix os ▁respond ed ▁by ▁adopt ing ▁a ▁s log an ▁of ▁no - vi ol ence ▁inside ▁the ▁stad ium , ▁but ▁ins isted ▁on ▁maintain ing ▁freedom ▁outside . ▁The ▁promises ▁worked ▁and ▁they ▁were ▁subsequently ▁moved ▁back ▁to ▁the ▁southern ▁goal . ▁ ▁In cre asing ly ▁violent , ▁the ▁Bo ix os ▁was ▁the ▁center ▁of ▁several ▁controvers ies ▁in ▁ 1 9 9 1 : ▁On ▁ 2 2 ▁August ▁a ▁member ▁of ▁the ▁Bo ix os ▁murder ed ▁Freder ic ▁Rou quier , ▁a ▁supp orter ▁of ▁the ▁rival ▁team ▁Esp any ol , ▁and ▁was ▁sent enced ▁to ▁ 2 6 ▁years ▁in ▁j ail . ▁The ▁same ▁year , ▁an ▁investigation ▁began ▁into ▁the ▁murder ▁of ▁a ▁trans vest ite ▁on ▁ 6 ▁October . ▁The