SALT LAKE CITY (AP) — Prosecutors want a 17-year-old accused in the 2012 death of his girlfriend to be tried an adult.

The Colorado boy appeared in a Utah courtroom Thursday with his hands shackled in front of him as a judge set a preliminary and adult certification hearing for March 2.

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Prosecutor Patricia Cassell says the violent nature of the allegation should bring the case out of juvenile court. Defense attorneys declined to comment.

The body of 15-year-old Anne Kasprzak was found in the Jordan River in March 2012.

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The suspect was 14 at the time. The Associated Press is not naming him because he is a juvenile.

Search warrants state Kasprzak told people she was pregnant and wrote in a journal her boyfriend didn’t seem to want the baby. Her family told police she wasn’t pregnant.

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