Watertown Police received a tip from Newton Police about a woman advertising as a escort on Backpage.com, and they arranged to have an officer pose as a customer on Jan. 5.
The state Department of Licensure gave the Newton Police information about possible massage and prostitution in Newton and when they checked Backpage.com the found a woman – later idenfied as Katherine Olivares – who was hosting in Watertown, said Watertown Police Lt. Michael Lawn.
"They called the number in the ad and she said she was hosting just over the line in Watertown, at 555 Pleasant Street," Lawn said. "A Watertown officer went over and when she agreed to sex for a fee, Olivares was placed under arrest."
Olivares allegedly hosted customers at her apartment at Repton Place, 3 Repton Circle, Lawn said.
Katherine Olivares, 30, of 3 Repton Circle Apt. 3208 in Watertown, was arrested on a charge of sexual conduct for a fee, Lawn said.