Complex sentence: At the same time, he rationalizes his crimes with the divorce of his parents and his emotionally isolated childhood; nevertheless, he can't stop inviting more and more young men from bars and clubs to his home, where he kills them.
Split into simpler sentences: At the same time, he rationalizes his crimes with the divorce of his parents and his emotionally isolated childhood. Nevertheless, he can't stop inviting more and more young men from bars and clubs to his home, where he kills them.