Complex sentence: Romeo, a 14-year-old criminal, leads his gang into robbing and torturing a very sick pensioner, and then steps up to doing a murder-for-hire at the behest of a local drug dealer, unaware of the enormous risks.
Split into simpler sentences: Romeo, a 14-year-old criminal, is the leader of a gang. He leads his gang into robbing and torturing a very sick pensioner, and then steps up to doing a murder-for-hire at the behest of a local drug dealer, unaware of the enormous risks.