Complex sentence: The selected families were bound and dragged by the leftist perpetrators to a nearby shore, where the perpetrators executed the adult family members using knives, clubs, bamboo spears, and farm implements before pushing them off a cliff near the shore.
Split into simpler sentences: The selected families were bound and dragged by the leftist perpetrators to a nearby shore. The perpetrators executed the adult family members using knives, clubs, bamboo spears, and farm implements before pushing them off a cliff near the shore.