Complex sentence: Perpetrators regularly claim to be helping the women when in fact they are attacking them, which increases the difficulty for rescuers; the women may try to fight people coming to their assistance, not knowing who to trust.
Split into simpler sentences: Perpetrators regularly claim to be helping the women when in fact they are attacking them, which increases the difficulty for rescuers. The women may try to fight people coming to their assistance, not knowing who to trust.