 Nyorai kupfuurira kweiyi ndima - Guta reMontreal, panguva iyoyo, rakanga richinzwira tsitsi mativi ose ehondo yeAmerica. Migwagwa yakanga yakazara netsori dzemarudzi ose ari maviri, vaConfederate vakadzingwa vomunzvimbo dzakakwirira, vanonzwira tsitsi, vatengesi vezvombo, vaongorori veMubatanidzwa navavhiringidzi. Carroll akave chinhu chakasarudzika paSt. Lawrence Hall muSt. James Street ikozvino Saint Jacques Street kwaive uko maConfederate akapfuma muCanada akagara saJacob Thompson, Clement Claiborne Clay, James Westcott, Moses Montrose Pallen, Luke P. Blackburn, Nathaniel Beverly Tucker uye kunyangwe John Wilkes Booth. Zvirongwa zvizhinji zvakaumbwa nemitezo yeboka iri. Pashure pokugara muMontreal kwenguva yakati, Carroll akaenda kumaodzanyemba uye akabatwa pamhenderekedzo yeNorth Carolina. Akaiswa mutorongo muFort Monroe, uye akakurumidza kusunungurwa ndokumanikidzwa kudzokera kuMontreal, Quebec. Musi waJune 8, 1865, Carroll neshamwari yainzi ODonnell vakatarisana naSandford Conover pamberi peWilliam Ennis saloon. Vakakumbira kuziva kana akanga achishandisa zita rokunyepedzera rokuti James Watson Wallace, murume akanga asona mambure okupupurira kwenhema kwokuponda kwaAbraham Lincoln. Carroll akagamuchira mashoko akapikirwa achipika kusava nemhosva kwake, gare gare achitsanangura izvozvo zvizere kuna Andrew Johnson. 