"We're 'hauntrepreneurs, ' we like to do things that are just a little bit different, " says KathE Walker, who owns four haunted houses in the Denver area.
CNN: Haunted houses thrive in scary economy
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KathE Walker -- the capital E isn't a typo, "it's a '60s thing, " she says -- laughs a lot for a woman in the business of scaring her customers.