A Lawrence County grand jury has brought seven rape charges and four child pornography charges against a 22-year-old Chicago man.

The indictment. filed late Thursday. accuses Juan Miguel Otero of raping a girl between the ages of 13 and 16 in August and again earlier this month in Deadwood. Authorities say Otero was masquerading as a military recruiter to help lure his victim.

He was arrested Feb. 12 after school officials and police interceded in his meeting with the alleged victim, a Lead-Deadwood High School student.

Investigators confronted Otero at his motel in Deadwood. Lead and Deadwood police, along with state Division of Criminal Investigation agents, believe that Otero made contact with the alleged victim through the Internet and wireless messaging. Officers seized Otero's computer and cell phone as evidence, according to court files.

Otero faces up to 15 years in prison on each rape count if convicted. The indictment alleges that the rapes occurred Aug. 15 and 16 when the victim was 14 years old, and Feb. 10-12 when the victim was 15.

Otero also faces up to 10 years in prison on each child pornography charge if convicted. Authorities allege he possessed an image of a minor engaging in a prohibited sexual act.

The investigation continues, and more charges may be possible, according to Lawrence County State's Attorney John Fitzgerald.

Otero is being held in Lawrence County Jail. Bond has been set at $100,000 cash.

He is scheduled for a 9 a.m. arraignment in 4th Circuit Court on Thursday, March 26.