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Many put their hope in Dr. Serhut. His company was worth half a billion dollars.

His research promised groundbreaking treatments for HIV and cancer.

But the brilliant doctor was hiding a secret.

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This was all horse pasture over here.

And this was all our yard.

At one time we owned 120 acres here.

It was our dream home tide designed every inch of that house himself.

Did you love tide?

Oh, I don't even think I ever didn't love tide.

I think I fell in love with him so quickly.

And I know that he loved me.

Firefighters found him unresponsive outside the home on County Road 215.

He died of smoke inhalation and thermal injuries.

Then to head it occurred to you that you would be a suspect in your husband's death.

It didn't even occur to me that it could even be ruled arson.

All I'm thinking was how did this happen?

In January 2007, 46-year-old Todd Sturmer died in a blazing fire that consumed his Kalamazoo Michigan home.

Somehow his wife Linda managed to escape.

But ever since that day, she has lived with the consequences and the questions about what she did and didn't do.

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