Complex sentence: Lynette worries that her twin sons, Porter and Preston will fall prey to a stranger if one ever approaches-possibly due to the fact that they are secretly sneaking out of the house without Tom's knowledge.
Split into simpler sentences: Lynette worries that her twin sons, Porter and Preston will fall prey to a stranger if one ever approaches. Possibly due to the fact that they are secretly sneaking out of the house without Tom's knowledge.