India, July 22 -- Sophia Maddox, a Los Angeles-based filmmaker and actress, is stepping into the spotlight with a deeply personal documentary that explores one of the most shocking family discoveries imaginable.

Her new Hulu documentary, My Grandfather Charles Manson, premieres on July 22 and chronicles how she learned that convicted murderer and cult leader Charles Manson was her biological grandfather. The film follows her search for answers as she understands the lasting impact of one of America's most infamous criminal legacies.

The documentary arrives years after Maddox's father, Daniel Arguelles, uncovered the family connection through DNA testing.

Sophia Maddox is a 26-year-old Los Angeles-based actress and filmmaker. According ...