Grafton man arrested after allegedly sexually assaulting teen, threatening her with knife

GRAFTON, Wis. (CBS 58) -- A Grafton man is facing charges after allegedly sexually assaulting a 17-year-old girl.

Sixty-year-old Jimmie Oliver was arrested and charged with first degree sexual assault, second degree recklessly endangering safety, along with drug possession and drug trafficking charges. 

Police say on the morning of July 17, the 17-year-old victim went to Oliver's house near 9th and Spring Street in Grafton.

Oliver allegedly asked the victim for sex in exchange for drugs and the victim refused. Oliver reportedly became angry and held a knife to the victim's neck before sexually assaulting her.

Based upon the Criminal Investigation Division's investigation, authorities believe there may be more victims. 

Police encourage anyone victimized by Oliver to come forward and contact law enforcement at 262-375-5320 ext. 819 or 262-375-5320 ext. 815.

"It takes a great amount of courage for a survivor to come forward and share their story," said Grafton Police Assistant Chief Grissom. "You're not alone. We are here to listen and will seek justice by conducting a thorough investigation."

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