She's Perfect Lies, Thinking She Won, The Obsession, The betrayal.

DISCLAIMER: This content is presented for educational and documentary purposes. The footage shown is used under fair use for the purpose of analysis, commentary, and public interest. The original material has been significantly transformed through editing, contextual text, and narrative structure.A picture-perfect life, a hidden affair, and a murder that stunned an entire community.For years, Monica Sementantelli appeared to be a devoted wife and mother — until the truth unraveled under the cold lights of a courtroom.