Debbie Flores Narvaez was a young woman passionate about dance.Originally from Puerto Rico, Debbie and her sister, Celeste,moved to Maryland with their parents when they were seven andeight years old, respectively. Debbie had dreams of making itbig as a Vegas showgirl. After college, she packed her bagsand moved to Sin City, where she began auditioning on theVegas Strip. Soon after, Debbie landed her dream job as anensemble dancer in the Luxor's "Fantasy," a popular burlesqueshow in Vegas featuring a rotating cast of top musicalartists, including '90s R&B sensation SisQó, who wasknown for his chart-topping hit "The Thong Song." When Debbiefailed to arrive at a midnight rehearsal the night before theirpremiere, her roommate became concerned and called 911.Friends and family tried to reach Debbie, but she hasseemingly disappeared, leaving behind a trail of mystery."20/20" reports on Debbie's disappearance and speaks with lawenforcement officials, friends and family members, andincludes an exclusive interview with the person convicted ofDebbie's murder in "Death of a Showgirl.