Among his actions was the massacre in Grabska, where 22 villagers - including the elderly and disabled - were executed before the rest of the villagers were expelled.
Yksi rikoksista oli verilöyly Grabskassa, jossa 22 ihmistä mukaan lukien vanhuksia ja vammaisia teloitettiin ennen kuin loput kyläläiset häädettiin.