Darker side emerges in Phila. woman's disappearance: Michelle Nau claimed to be a real estate agent. But she told police she worked as a prostitute.

Byline: Christine Schiavo, Barbara Boyer and Joseph A. Slobodzian

Mar. 7--Michelle "Mikalena" Nau told people she worked in real estate and that might indeed have been her career goal. But court records show that for years, even as Nau worked legitimately as a cosmetologist, a major source of her income was prostitution. "I'm a prostitute," Nau told a Bensalem Township police detective on April 24, 1995, in an interview after she and an ex-boyfriend were arrested with cocaine at a Bensalem motel. Nau, then 26, also said she had been arrested for prostitution five years earlier in Philadelphia. Philadelphia police confirmed yesterday that Nau, 37, had recently been working for a Queen Village escort service and that they were investigating whether her duties …