True-crime series details twisted tale of man who brutally murdered an 18-year-old mother then plotted to fake his own death to escape arrest after police exhumed her body
Marilyn McIntyre was murdered by her husband Lane McIntyre s high school friend Curtis Forbes in her home in Columbus, Wisconsin, in 1980
The crime was revisited on the Oxygen network s true-crime series Exhumed
Lane found Marilyn with a steak knife sticking out of her chest on the morning of March 11, 1980, after he had returned home from work
She had been beaten with blunt force trauma to her head and strangled, but their three-month-old son, Christopher, was untouched in his crib