ruction ▁of ▁the ▁cell block s ▁completed . ▁▁ 1 9 2 6 : ▁Const ruction ▁of ▁the ▁sh oe ▁sh ops ▁completed . ▁▁ 1 9 2 8 : ▁Const ruction ▁of ▁the ▁br ush ▁and ▁bro om ▁factory ▁completed . ▁▁ 1 9 2 9 : ▁Const ruction ▁of ▁the ▁bar ber ▁shop ▁and ▁first ▁int ra pr ison ▁murder . ▁▁ 1 9 3 0 : ▁In ▁May , ▁the ▁Bureau ▁of ▁Pr isons ▁became ▁a ▁federal ▁ag ency ▁within ▁the ▁Department ▁of ▁Justice . ▁▁ 1 9 3 0 : ▁On ▁September ▁ 5 , ▁Carl ▁P anz ram ▁becomes ▁the ▁first ▁to ▁be ▁executed ▁( rec ords ▁d ating ▁back ▁to ▁ 1 9 2 7 ) ▁by ▁h anging ▁at ▁Le aven worth . ▁▁ 1 9 3 4 : ▁On ▁December ▁ 1 1 , ▁President ▁Franklin ▁Ro ose vel t ▁author ized ▁the ▁first ▁federal ▁prison ▁indust ries ▁as ▁a ▁public ▁corpor ation . ▁▁ 1 9 3 8 : ▁On ▁August ▁ 1 2 , ▁Robert ▁Su h ay ▁and ▁Gl enn ▁App legate ▁become ▁the ▁first ▁double ▁execution ▁( rec ords ▁d ating ▁back ▁to ▁ 1 9 2 7 ) ▁by ▁h anging ▁at ▁Le aven worth . ▁▁ 1 9 4 4 ▁to ▁ 1 9 4 7 : ▁Japanese ▁American ▁cons cient ious ▁object ors ▁are ▁held ▁at ▁Le aven worth ▁after ▁ref using ▁military ▁service ▁in ▁protest ▁of ▁the ▁w art ime ▁in car cer ation ▁of ▁themselves ▁and