Snapped: Killer Couples (2013)

S17E4 Liz Rogan and Tony DePuisaye-Greene

In a quiet Washington town, the shocking discovery of a local man's murder sends ripples of fear through the community. As investigators delve into his tangled romantic history, they ponder its connection to the crime. However, their focus shifts when a series of thefts uncovers a treacherous duo with darker intentions lurking beneath the surface.