Complex sentence: These "slimies" live in a former leper colony, the town's adult population is terrified by "slimies" existence, considering them to be the cause of all the bad and odd things in the town.
Split into simpler sentences: These "slimies" live in a former leper colony. The town's adult population is terrified by their existence, considering them to be the cause of all the bad and odd things in the town.