DENVER (KDVR) -- Law enforcement is alerting the public to red flags after an undercover investigation led to a spa owner being arrested for allegedly offering sexual acts for money.

The Arapahoe County Sheriff's Office said the investigation began after someone reported that he visited Mango Spa in Centennial for a massage and was offered sexual acts in exchange for money.

The agency's Special Investigations Unit sent an undercover investigator to the spa on Oct. 2 around 7 p.m. According to a press release from ACSO, the investigator requested a massage and "at one point was offered sexual acts in exchange for money," which was declined.

The spa employee and owner, identified as 46-year-old Sun Jingli, was arrested and booked into the Arapahoe County Jail for prostitution, the sheriff

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