Bayan da aka kama Davis a 1865, an zarge shi da cin amana kuma an tsare shi a Fort Monroe a Hampton, Virginia. Ba a taɓa gwada shi ba kuma an sake shi bayan shekaru biyu. Duk da cewa ba a kunyata shi ba, Davis ya yi watsi da tsohon shugabancin Confederate bayan yakin da janar Robert E. Lee Davis ya jagoranci, ya nuna rashin amincewa da gwamnonin jihohi masu iko da kuma janar, da fifiko ga tsofaffin abokai, da rashin iyawa tare da mutanen da ba su yarda da shi ba, da rashin kula da al'amuran farar hula a cikin goyon bayan sojoji, da kuma tsayayya ga ra'ayin jama'a duk sun yi aiki a kansa. Masana tarihi sun yarda cewa ya kasance mai jagorancin yakin basasa fiye da takwaransa na Union, Shugaba Abraham Lincoln. Bayan da aka kama Davis a 1865, an zarge shi da cin amana kuma an tsare shi a Fort Monroe a Hampton, Virginia. Ba a taba gwada shi ba kuma an sake shi bayan shekaru biyu. Duk da yake ba a kunyata shi ba, Davis ya yi watsi da tsohon shugabancin Confederate bayan yakin da janar Robert E. Lee Davis ya
kasance da aminci ga Union