Susan Spencer

But telling her husband about the affair didn't stop Robin from pursuing it. Never mind that brother-in-law thing, never mind her three children, who at that point were 10, seven, and three years old.

But telling her husband about the affair didn't stop Robin from pursuing it. Never mind that brother-in-law thing, never mind her three children, who at that point were 10, seven, and three years old.

the relationship got more intense, with Robin and Craig often sneaking off to this isolated hunting cabin. Whenever people hear about these situations, I say, this is why there's divorce, you know? People just, sometimes these things happen and people get divorced.

the relationship got more intense, with Robin and Craig often sneaking off to this isolated hunting cabin. Whenever people hear about these situations, I say, this is why there's divorce, you know? People just, sometimes these things happen and people get divorced.

the relationship got more intense, with Robin and Craig often sneaking off to this isolated hunting cabin. Whenever people hear about these situations, I say, this is why there's divorce, you know? People just, sometimes these things happen and people get divorced.

Her husband was distraught, but he was no fool. A few weeks before he died, Carrie Height changed his $3.5 million life insurance policy, removing Robin as the beneficiary.

Her husband was distraught, but he was no fool. A few weeks before he died, Carrie Height changed his $3.5 million life insurance policy, removing Robin as the beneficiary.

Her husband was distraught, but he was no fool. A few weeks before he died, Carrie Height changed his $3.5 million life insurance policy, removing Robin as the beneficiary.

And his father, Philip, told Craig flat out, knock it off with your brother's wife or lose your entire inheritance.

And his father, Philip, told Craig flat out, knock it off with your brother's wife or lose your entire inheritance.

And his father, Philip, told Craig flat out, knock it off with your brother's wife or lose your entire inheritance.

I got to tell you, Robin, this is a mess. It was very much a mess. The weekend before the murders, August 2008. Once again, Robin was at Craig's cabin.

I got to tell you, Robin, this is a mess. It was very much a mess. The weekend before the murders, August 2008. Once again, Robin was at Craig's cabin.

I got to tell you, Robin, this is a mess. It was very much a mess. The weekend before the murders, August 2008. Once again, Robin was at Craig's cabin.

She and Craig get a rude awakening the next morning.

She and Craig get a rude awakening the next morning.

She and Craig get a rude awakening the next morning.

Phillip had tracked them down, enlisting a friend with a helicopter to take photos to get hard evidence of Robin's infidelity.

Phillip had tracked them down, enlisting a friend with a helicopter to take photos to get hard evidence of Robin's infidelity.

Phillip had tracked them down, enlisting a friend with a helicopter to take photos to get hard evidence of Robin's infidelity.