MILWAUKEE (CBS 58) -- The Milwaukee County Sheriff's Office says a man and woman have been arrested after a traffic stop led to the discovery of a missing 17-year-old. 

Shortly before 2 a.m. Saturday, deputies initiated a stop and arrested a 36-year-old man -- identified as Kenneth Hampton of Milwaukee -- for operating while intoxicated. His 29-year-old passenger was also arrested for unrelated outstanding warrants. 

During the investigation. the sheriff's office says deputies found an additional 17-year-old passenger and later confirmed she was listed by Milwaukee police as missing and endangered. 

MCSO says the girl told deputies she did not know the two adults and had been walking on a residential street on Milwaukee's south side when Hampton ordered her into his vehicle and forced her to engage in a sexual act. Hampton allegedly told her he planned to take her out of state and force her into prostitution. 

Hampton and woman denied these allegations and claimed the girl had been their party guest.

Investigators determined the allegations were credible. 

The DA's Office issued the following charges, in addition to the OWI-3rd, against Hampton: child enticement, sexual intercourse with a child and contributing to the delinquency of a child. 

If convicted of all charges, Hampton faces up to 27-and-a-half years in prison, $132,000 in fines, or both.