Detectives suspect Hey was killed in Louisiana on Tuesday, then brought to Texas on Thursday.
Fulton, her husband, and another man are charged with tampering with evidence.
A daughter in Louisiana, Roseann Clumpp, is charged with second-degree murder.
Investigators have not determined how Hey died and what led to the killing.
You can read more on this story in the Cleveland Advocate one of our Houston Community Newspaper partners.
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