Complex sentence: While Lt. Thompson is investigating, he receives a call from Nancy who tells him to break into her house in twenty minutes, she sets up several booby traps and tucks her drunken mother in for the night.
Split into simpler sentences: While Lt. Thompson is investigating, he receives a call from Nancy who tells him to break into her house in twenty minutes. She sets up booby traps and tucks her drunken mother in for the night.