▁escape ▁vig il ante ▁justice ▁by ▁fle eing ▁the ▁territory . ▁Notable ▁among ▁these ▁men ▁were ▁August us ▁" G ad " ▁Moore , ▁Billy ▁Ter will iger , ▁William ▁Mitchell , ▁Har vey ▁Me ade , ▁" R att les nake ▁Dick ", ▁" Ch ero kee ▁Bob ", ▁Tex ▁C ald well , ▁Jeff ▁Per kins , ▁Samuel ▁Bun ton , ▁" I r win ▁of ▁the ▁Big ▁H ole ", ▁William ▁Moore ▁and ▁Charles ▁Re e ves . ▁ ▁Est ab lish ment ▁of ▁Territ orial ▁Law ▁During ▁the ▁summer ▁of ▁ 1 8 6 4 , ▁He zek iah ▁L . ▁H os mer , ▁a ▁lawyer ▁from ▁Ohio , ▁was ▁working ▁for ▁the ▁U . S . ▁House ▁of ▁Represent ative ▁Committee ▁on ▁Territ ories . ▁After ▁working ▁on ▁the ▁formation ▁of ▁Mont ana ▁Territ ory ▁for ▁the ▁committee , ▁he ▁was ▁formally ▁appointed ▁as ▁the ▁first ▁Chief ▁Justice ▁of ▁Mont ana ▁Territ ory . ▁He ▁arrived ▁in ▁Mont ana ▁in ▁October ▁ 1 8 6 4 . ▁Prior ▁to ▁the ▁first ▁session ▁of ▁the ▁Territ orial ▁Legisl ature ▁which ▁conven ed ▁on ▁December ▁ 1 2 , ▁ 1 8 6 4 , ▁in ▁B ann ack , ▁H os mer ▁announced ▁that ▁he ▁was ▁adopt ing ▁Common ▁Law ▁as ▁the ▁primary ▁criminal ▁and ▁civil ▁law ▁and ▁Id aho ' s ▁Territ orial ▁Law ▁as ▁a ▁basis ▁for ▁criminal ▁and ▁civil ▁procedure . ▁On ▁December ▁ 5 , ▁ 1 8 6 4 , ▁H os mer