ANN ARBOR (WWJ) – A fifth victim has come forward in Ann Arbor, after allegedly being attacked in a parking structure elevator late Thursday night. The victim, a 26-year-old Ypsilanti woman, did not go to the hospital after the rape … she reported the incident after seeing media coverage of the other attacks.

All of the attacks have occurred over the past week; two of the rapes occured within a 24 hour period.

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The attacker was described as white male, in his mid-twenties, approximately 5 feet, 6 inches tall, with short, dark, straight hair… a similar description to those provided by other victims.

An investigation into five recent attacks on women in Ann Arbor is being treated “with the highest priority,” said Mayor John Hieftje told the Associated Press. The mayor vowed to provide the city’s police chief with “whatever resources he needs in the way of overtime” to get to the bottom of the case.

Police Detectives in Ann Arbor are following up on numerous tips as they search for a man or men who have been attacking women.

Ann Arbor police spokeswoman Lt. Renee Bush says it is unclear if one man is to blame for the attacks or if there’s more than one suspect.

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A 21-year-old who was grabbed by the neck a week ago at Thompson and Liberty streets discribed her assailent as a 29-years-old, white man, 5’9”, weighing 165 pounds with medium build. She said he had short, straight, brown hair.

The Ann Arbor Police Department has issued a wanted poster with sketch of the suspect.

As told to the Ann Arbor Police, a female was walking along State St., when an unknown man grabbed her, pulled her behind a wall and assaulted her before fleeing northbound through a parking lot.  That suspect is  5’6″ to 5’10” with brown hair and brown eyes, wearing a green t-shirt and khaki cargo pants.

Lt. Bush said the victims were all walking alone at night. She said anyone out at night should walk with someone.

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Anyone with information is asked to call the Ann Arbor Police Department’s tip line at (734) 794-6939 or Crime Stoppers at 1-800-SPEAK-UP. Crime Stoppers is offering a 1,000 dollar reward for information leading to an arrest.