LAKEWOOD, WA - The operators of a Lakewood massage parlor were arrested recently after a years-long investigation by Lakewood police into human trafficking at the business, according to the Tacoma News Tribune .

Treat Your Feet owners Guang Zheng, 45, and Dan Yu, 37, both of Gig Harbor, were arrested on Tuesday. Police recovered body armor and more than a dozen guns, including an automatic weapon, during a search of their home. The pair are being held on $100,000 bail.

According to the report, Lakewood police were solicited for prostitution during visits to Treat Your Feet. The officers also observed massage parlor employees going to nearby apartments. A search of those apartments turned up seven people, including four women living in one apartment.