Sheri Shermeyer

The lengthy note was posted to Facebook about two hours before Sheri Shermeyer and her 1-year-old son were found dead.

Authorities in Pennsylvania believe a woman posted a lengthy suicide note on Facebook, telling her husband "you don't deserve to have a son, to have a legacy," shortly before suffocating her one-year-old and fatally shooting herself.

The lengthy note was posted to Facebook about two hours before Sheri Shermeyer and her 1-year-old son were found dead.

Authorities in Pennsylvania believe a woman posted a lengthy suicide note on Facebook, telling her husband "you don't deserve to have a son, to have a legacy," shortly before suffocating her one-year-old and fatally shooting herself.