’48 Hours’ correspondent Peter Van Sant previews ‘Kimberly Langwell’s Hidden Grave’
BEAUMONT — A decades-old Beaumont chilly case is again within the nationwide highlight as CBS’s “48 Hours” revisits the disappearance and homicide of Kimberly Langwell — and the way a secret grave lastly revealed what occurred. The episode, “Kimberly Langwell’s Hidden Grave,” airs Saturday at 9 p.m. on KFDM Channel 6. “48 Hours” correspondent Peter…