Dateline: The Night of the New Moon opens up one of California's most twisted murder plots, taking viewers through the calculated attempt on Greg Mulvihill's life.

The Night of the New Moon follows one of the more shocking cases of a bitter custody battle turning into a murder-for-hire plot.

Lea McDavid, the wife of Weldon, was also called to the stand by the defense to testify about gun parts she found in her home after the police raided it following Weldon's arrest.

Weldon McDavid served as a U.S. Marine for 12 years, according to his attorney, and worked as a gun instructor and security consultant prior to meeting Diana Lovejoy.

A jury's verdict was interrupted Monday when the defendant fainted after being found guilty on counts of conspiracy to commit murder and attempted murder. Diana Lovejoy, 45, and Weldon McDavid Jr ...

Season 24 Episode 6 Exclusive: Lea McDavid, wife of Weldon McDavid, believes her husband's sentence does not match his crime. Skip to main content . The word “OXYGEN” is prominently displayed in ...