There were two more murders, 15 miles away in the silver-racement-upon-

Your parents are described by one investigator as reminiscent of a weird religion.

Your parents are never going to agree with every choice you make. And when you're young and living under their roof, they have a little more saying how to handle those choices.

You may get angry, you may even leave home, but many wouldn't dream of murder as an option.

On August 2nd, 2004, two young lovers killed elderly guardians because they wanted to keep the girls apart.

So if you like your coffee hot but your bones chilled,

sit back and start your day with a morning cup of murder.

Holly Harvey was always troubled.

Her mother, who was serving a prison sentence,

left her in the care of Holly's elderly grandparents.

74-year-old Carl and 73-year-old Sarah Collier in Fayetteville, Georgia,

in hopes that they would care for her until her release.

But, Holly was 15, and, like most 15-year-olds,

was struggling to find her own place and make her own rules.

Her grandparents were more by the book

and had rules laid out for the teen.

Rules she had no intention of following.

And the big bone of contention?

Holly's 16-year-old girlfriend, Sandy Ketchum.

And when they forbid the girls from seeing each other,

Holly had had enough.

She began acting out in a way that scared

...