SARASOTA COUNTY, Fla. -- The undated "burn after reading" letter from Brian Laundrie's mother could provide what one legal analyst called the "proverbial smoking gun" in the civil case brought by ...

The envelope containing the letter - which is undated - said "burn after reading" and was recovered from Brian Laundrie's backpack when his remains were found in October 2021.

A copy of the letter Brian Laundrie’s mother allegedly instructed him to “burn after reading” has been given to the parents of his late fiancée, Gabby Petito, whom the FBI says Laundrie ...