? ▁( 1 9 9 2 ); ▁both ▁had ▁subst ance ▁ab use ▁issues . ▁Ro yer ▁was ▁add icted ▁to ▁hero in , ▁while ▁Ag new ▁ab used ▁a ▁variety ▁of ▁dru gs ▁and ▁d rank ▁alco hol ▁excess ively ▁throughout ▁the ▁ 1 9 9 0 s ▁and ▁early ▁ 2 0 0 0 s , ▁becoming ▁ob ese ▁in ▁the ▁process . ▁Ro yer ▁res umed ▁recording ▁with ▁D . I ., ▁issu ing ▁State ▁of ▁Sho ck ▁in ▁ 1 9 9 4 , ▁and ▁continued ▁to ▁perform ▁with ▁various ▁line ups ▁throughout ▁the ▁de cade . ▁R ikk ▁Ag new ▁briefly ▁rejo ined ▁Christian ▁Death , ▁playing ▁on ▁the ▁live ▁album ▁Icon ologia ▁( 1 9 9 3 ). ▁Brandenburg ▁continued ▁AD Z ▁with ▁other ▁members , ▁issu ing ▁two ▁more ▁albums ▁during ▁the ▁ 1 9 9 0 s : ▁ 1 9 9 5 ' s ▁Pi per ▁at ▁the ▁G ates ▁of ▁Dow ney ▁( with ▁Frank ▁Ag new ▁playing ▁lead ▁guitar ▁on ▁five ▁tracks ) ▁and ▁ 1 9 9 8 ' s ▁Trans m issions ▁from ▁Planet ▁Speed ball . ▁ ▁Re union ▁and ▁O C ▁Conf ident ial : ▁ 2 0 0 1 – 2 0 0 5 ▁The ▁Blue ▁Album ▁line up ▁of ▁Ref lex , ▁S oto , ▁Ro yer , ▁and ▁R ikk ▁and ▁Frank ▁Ag new ▁reun ited ▁again ▁in ▁ 2 0 0 1 ▁to ▁play ▁a ▁birth day ▁party ▁for ▁Ref lex ' s ▁wife