▁using ▁ster oid s ▁since ▁ 1 9 8 1 . ▁ ▁In ▁Canada , ▁the ▁federal ▁government ▁established ▁the ▁Commission ▁of ▁In qu iry ▁In to ▁the ▁Use ▁of ▁Dru gs ▁and ▁B anned ▁Pract ices ▁Int ended ▁to ▁In cre ase ▁Athlet ic ▁Performance , ▁head ed ▁by ▁Ontario ▁App e al ▁Court ▁Chief ▁Justice ▁Charles ▁Dub in . ▁The ▁Dub in ▁In qu iry ▁( as ▁it ▁became ▁known ), ▁which ▁was ▁tele vised ▁live , ▁heard ▁hundreds ▁of ▁hours ▁of ▁testim ony ▁about ▁the ▁w ides p read ▁use ▁of ▁performance - en han cing ▁dru gs ▁among ▁athlet es . ▁The ▁inqu iry ▁began ▁in ▁January ▁ 1 9 8 9 ▁and ▁last ed ▁ 9 1 ▁days , ▁with ▁ 1 2 2 ▁witness es ▁called , ▁including ▁athlet es , ▁coach es , ▁sport ▁administr ators , ▁IO C ▁represent atives , ▁do ctors ▁and ▁government ▁officials . ▁ ▁Com eb ack ▁In ▁ 1 9 9 1 , ▁after ▁his ▁susp ension ▁ended , ▁he ▁attempted ▁a ▁com eb ack . ▁He ▁returned ▁to ▁the ▁track ▁for ▁the ▁Hamilton ▁Ind oor ▁Games ▁in ▁ 1 9 9 1 ▁and ▁was ▁gre et ed ▁by ▁the ▁largest ▁crowd ▁to ▁ever ▁attend ▁an ▁ind oor ▁Canadian ▁track ▁and ▁field ▁event . ▁More ▁than ▁ 1 7 , 0 0 0 ▁people ▁saw ▁him ▁finish ▁second ▁in ▁the ▁ 5 0 ▁metres ▁in ▁ 5 . 7 7 ▁seconds . ▁ ▁He ▁failed ▁to ▁qual ify ▁for ▁the