Dateline NBCErik and Lyle Menendez were convicted of murdering their own parents more than two decades ago; now hear chilling new details about the gruesome double slaying from the brothers themselves.
On now
Up next
Dateline NBCErik and Lyle Menendez were convicted of murdering their own parents more than two decades ago; now hear chilling new details about the gruesome double slaying from the brothers themselves.0Dateline NBCA mother of three married to a missionary is found dead on Valentine's Day; the investigation into the murder reveals answers close to home.