the search for gary hilton was about to widen.f interest in the meredith emerson case looked familiar to people who thought they'd seen him just about the time they'd learned of the sad case of another woman who'd gone missing, cheryl dunlap, a nurse and mother. when cheryl didn't turn up for church one december sunday in 2007 and then missed her sunday school class, red flags went up. next door neighbor and friend tanya land. sunday morning at church, i turned around and looked at her usual spot, and she wasn't there. and she didn't teach her class. she didn't. and immediately, we knew something was wrong because that's just not like her. dennis murphy (voiceover): everyone who knew her agreed-- 46-year-old cheryl was reliable, a woman solid in her faith and set in her habits. her fellow nurse friend and prayer partner, laura walker. she always liked to hear what we call our praise reports, like something good that happened with a patient or a coworker. dennis murphy (voiceover): when monday morning rolled around and tanya still