Rangers at Great Smoky Mountains National Park are mounting a search for a Cary, North Carolina man who was reported missing on April 27. </br>The Park is also asking that anybody who may have seen the subject, Christopher Lee Cessna, 45, in the last three weeks, whether in the</br>Park or elsewhere, to contact the Park. Smokies officials learned Cessna was missing when they checked the license plate of his 2009 Audi. </br>It may have been parked at Newfound Gap parking area for weeks.