In 1947, he remarried. Lev was a vice-commander of the Border Patrol from 1947 to 1949. He was imprisoned for a second time in 1951 for 5 years, for accepting bribes and illegally transporting Bulgarian citizens across the border, who were then killed and their corpses robbed. During the investigations, he testified to his involvement with police during the manhunt of communists Ivan Minkov and Hristo Koydzhekov following the St Nedelya Church assault in 1925. Glavinchev was sent to the Belene labour camp, labelled a "cultural enlightener".