it was for pretty karen pannell. once the one-time model and flight attendant got sand in her shoes, she never looked back. >> she loved the beach, diving, boating, that life. i remember just jumping off the boat and going to the little islands and having picnics and coming back at sunset and so much fun. >> good friend katherine worked the counter at american airlines in tampa with karen. if you were a frazzled passenger and who isn't these days, karen was the antidote. exactly the right agent to bump into to get you on your way. >> karen was very pretty, smart, smiled all the time. funny. >> when the always capable and reliable karen didn't show up for her saturday morning shift on october 11th, 2003, clearly something was wrong. her boyfriend tim tried calling her at home. >> when she was not at work or answering her calls, i got worried. it was a couple of hours before i got panicy about it. >> the boyfriend drove to karen's condo. the front door was unlocked. a bad sign. he said he stepped inside and looked to t