Complex sentence: In the early 1990s, university students in Abidjan, Cote d'Ivoire, who were plagued by burglars stealing from their dorms took matters into their own hands by capturing the thieves and murdering them by placing tires around their necks and setting the tires on fire.
Split into simpler sentences: In the early 1990s, university students in Abidjan, Cote d'Ivoire were plagued by burglars stealing from their dorms. The students took matters into their own hands by capturing the thieves, and then murdered them by placing tires around their necks and setting the tires on fire.