Dateline (1992)

S33E34 The Betrayal of Sandra Birchmore

A February blizzard shuts down an elementary school outside Boston, but when it reopens after the storm, 23-year-old teacher’s aide Sandra Birch doesn't show up. Days later, her body is discovered at her home. Officials quickly label her death a suicide, yet unsettling questions linger—was this truly self-inflicted, or was there a darker hand at play?