Subscribe for 99¢

ST. LOUIS COUNTY • A South County man has received a five-year term of probation after pleading guilty to a felony count of sexual misconduct involving a child younger than 15.

Thomas P. Costello, 61, had been accused of trying to arrange a sexual encounter through Craigslist with someone he thought was a 14-year-old girl. The girl, authorities said, turned out to be an undercover detective.

Thomas Costello

Thomas Costello, of south St. Louis County, arranged a sexual encounter via Craigslist with someone he thought was a 14-year-old girl, charges say. The girl turned out to be a cop.

Costello, of the 12400 block of Worthington Drive, received a suspended four-year prison term Thursday from Circuit Judge John D. Warner Jr. and was placed on probation for five years. 

Be the first to know

* I understand and agree that registration on or use of this site constitutes agreement to its user agreement and privacy policy.

Prosecutors dropped one count of enticement of a child.

According to court documents, a St. Louis County detective responded to a Craigslist ad that Costello allegedly posted.

The detective said he was "Lisa," a 14-year-old girl, and after exchanging messages with Costello — including pictures of Costello's penis — they arranged to meet at a business in the 600 block of Lemay Ferry Road for sex, court records said.

Get high-interest news alerts delivered promptly to your inbox.