Dateline featured the murder of Ariet Girgis, which happened in 2004 and left the quiet neighborhood of Westminster, California, shaken—and the case would go on to reveal one of the most chilling murd ...

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.

Hallmark Channel's August 2025 lineup has a little something for everyone -- new movies, shows, and even a brand new trilogy!