India, Aug. 10 -- The husband of 44-year-old Elizabeth 'Liz' Waddell has now said that he believes drowning may be the most likely explanation for her disappearance. A search is underway after the North Carolina woman mysteriously disappeared while visiting the Caribbean island nation of Grenada.

Elizabeth went missing while staying at the white sand beach resort neighborhood of Grand Anse in the capital of St. George's, the Royal Grenada Police Force said Thursday, July 23.

Elizabeth's husband, Cailen Waddell, provided new details on his site findliz.com two weeks after his wife went missing.

"Based on everything we know, it seems drowning may be the most likely scenario," he wrote.

However, Cailen said that there are still some unan...