Complex sentence: During his time on Igman Prazina had established formal ties with the HVO through Bosnian Croat warlord Mladen "Tuta" Naletilić and, following the Bosnian government's decision to relieve him of his ARBiH commands, aligned himself with Naletilić's "Convicts Battalion" paramilitary unit.
Split into simpler sentences: During his time on Igman, Prazina had established formal ties with the HVO through Bosnian Croat warlord Mladen "Tuta" Naletilić. Following the Bosnian government's decision to relieve him of his ARBiH commands, Prazina aligned himself with Naletilić's "Convicts Battalion" paramilitary unit.