Rubuta ci gaba don wannan sakin layi - An kama shi a 1924, 1933, da 1938, kuma an yanke masa hukuncin ɗaurin kurkuku; musamman, Luca ya sami nasarar kare shi ta hanyar lauyoyi da aka biya tare da kuɗin Red Aid a lokacin shari'ar 1927 a Cluj (inda aka yanke wa Boris Stefanov hukunci), kuma Ion Gheorghe Maurer ne ya wakilce shi a lokacin shari'arsa ta 1938. Ya kasance yana zaman kurkuku a Cernăuţi, bayan da aka same shi da laifin yunƙurin ƙetare iyakar tsakanin Masarautar Romania da SSR na Ukraine, lokacin da Tarayyar Soviet ta haɗu da Arewacin Bukovina ("duba mamayar Soviet na Bessarabia da Arewacin Bukovina
") Ya ce: