i'm senate my morales. after crystal mcdowell disappeared, investigators took a hard look at the two men, her ex-husband and new boyfriend cooperated actually with police. both agreed to take a lie detector test. both failed miserably. authorities were baffled. but a series would soon put the investigation into focus. once again, here's dennis murphy with "before the storm." >> by tuesday, september 5th, the sky was clear and the water down. with the break in weather, texans took to ripping up carpets, tearing out drywall, and hauling flooded cars to the salvage yard. but there was no break in the hunt for crystal. she'd been missing for 11 days and was now presumed dead. >> bodies. bodies become evidence, don't they? >> she -- and she tells her story from the grave. >> so you need the remains? >> got to have her remains. >> but where were they? if crystal's body had been dumped in one of these bayous,