PORTSMOUTH -- Police have charged a 17-year-old boy with the murder of 16-year-old Meghan Landowski.

“It does not close the case,” said Assistant Chief Garrett Shelton. "This is still a very active investigation."

Video: Teen charged with killing Meghan Landowski

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Landowski, who attended Wilson High School, was found stabbed to death in her Roberts Court home on April 10.

The teen suspect attends Churchland High School and was arrested Thursday night after eight or nine hours talking with police.

13News' partners at the Pilot report his name is Robert Barnes.

A Churchland student told 13News on Friday that Landowski and Barnes were good friends when they attended Churchland. The student says Landowski transferred to Wilson the school year before she was killed.

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Robert Barnes

"We don't believe it was a stranger occurrance," the chief added but didn't elaborate except to say, “They are acquainted with each other, the investigation indicates.”

Shelton stated, "We're confident the indivisual is a primary offender in this case."

Commonwealth's Attorney Earle Mobley, also at the news conference, said he wants the teen tried as an adult. The suspect was arraigned Friday morning and remains in jail until his next hearing on November 12.

Documents filed in juvenile court indicate that the boy climbed through a bedroom window of Landowski's home, then bound and stabbed her several times before running away.

Two Churchland students who know Barnes well told 13News they’re shocked at his arrest.

"From the beginning, we’ve canvassed neighborhoods, schools, done a lot of old-style police work, talking with hundreds of people. And based on those contacts, we were able to develop the information that led us to the arrest. Shelton added.

Investigators have obtained warrants to search medical record at a Norfolk and Portsmouth hospital in hopes of finding someone who may have been treated for injuries during that time frame.  They're still waiting for all the information.

Associated Press contributed to this report.