0 , 0 0 0 ▁had ▁been ▁made ▁to ▁the ▁Bour ke ▁Street ▁Fund ▁for ▁the ▁families ▁of ▁the ▁vict ims . ▁On ▁ 3 1 ▁January , ▁the ▁in organ ic ▁t ributes ▁were ▁removed ▁from ▁the ▁m all ▁for ▁storage ▁by ▁the ▁Melbourne ▁City ▁Council ▁and ▁the ▁fl oral ▁t ributes ▁taken ▁for ▁comp ost ing ▁for ▁the ▁Vict ims ▁of ▁Crime ▁mem orial ▁near ▁State ▁Parliament . ▁ ▁Per pet r ator ▁Victoria ▁Police ▁Chief ▁Commission er ▁Graham ▁As ht on ▁confirmed ▁that ▁ 2 6 - year - old ▁Dim it ri ous ▁" J im my " ▁G arg as ou las ▁had ▁previously ▁been ▁rem and ed ▁into ▁cust ody ▁and ▁was ▁known ▁to ▁police ▁for ▁having ▁a ▁history ▁of ▁ill ic it ▁drug ▁use , ▁family ▁violence , ▁and ▁mental ▁health ▁problems . ▁ ▁In ▁the ▁days ▁before ▁the ▁attack , ▁G arg as ou las ▁began ▁to ▁post ▁messages ▁on ▁Facebook ▁about ▁" rel ig ion , ▁God , ▁Sat an , ▁heaven ▁and ▁hell ", ▁which ▁writers ▁for ▁The ▁Age ▁described ▁as ▁" r amb ling ▁and ▁often ▁n ons ens ical ". ▁According ▁to ▁the ▁ ▁Daily ▁Express ▁and ▁Greece ▁based ▁T orn os News . gr , ▁the ▁perpet r ator ▁is ▁an ▁Australian ▁citiz en ▁of ▁Greek - T ong an ▁descent . ▁ ▁G arg as ou las ' ▁father ▁told ▁Seven ▁News ▁" he ' s ▁not ▁the ▁Jimmy ▁I ▁used ▁to ▁know " ▁and ▁he ▁would ▁" scr