A 24-year-old Davenport man facing charges with four others for luring and robbing a man on a bike trail is now facing a sex abuse charge.

Bobby D. Matejcek, of 1995 W. 40th St., Apartment 419, was charged Thursday with one count of sex abuse third-degree.

The charge is a Class C felony under Iowa law that carries a prison sentence of up to 10 years.

According to the arrest affidavit filed by Davenport Police Detective Erin Pape, in January, patrol officers responded to 1537 W. 14th St. where Matejcek was living in an attempt to locate a juvenile female runaway. The girl was located at that address.

The runaway disclosed to officers that Matejcek had a sexual relationship with her from October 2011 through January. The relationship began when the victim was 15 years old, Pape said in her affidavit. Matejcek was 23 years old at the time. The victim also conceived Matejcek’s child, Pape said.

Matejcek was arrested Wednesday along with three other adults and a juvenile on charges of robbery second-degree and conspiracy to commit a felony, both Class C felony charges.

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Also arrested that day were Kelly Elizabeth Hobert, 20, Timothy Michael McGauley Jr., 25, and Ashley Marie Cummings, 19, all of 1995 W. 40th St., apartment 419, Davenport. Also charged is Tyler Overmann, 16, of 4803 Wisconsin Ave., Davenport.

According to that arrest affidavit, on Sept. 17 at 1:24 p.m., the five had chosen a victim to rob. They lured him to Northwest Park at 3400 N. Divsion St., where he was then beaten and robbed.

Matejcek was being held Friday night in the Scott County Jail on a total of $30,000 bond. Cummings, Hobert, and McGauley were each being held Friday night in the Scott County Jail on $20,000 bond each. Overmann was being held in the Scott County Juvenile Detention Center.