CEDAR RAPIDS, Iowa — A new trial will be held in Scott County for a man originally convicted of stabbing to death his former girlfriend in Linn County.

The Iowa Court of Appeals in May ordered another trial for Nicholas Luerkens, saying the trial court erred in denying his request to submit an insanity defense instruction to the jury.

A judge agreed to move the second trial out of Linn County because of pretrial publicity. It is scheduled to begin March 19.

In November 2015 a jury found Luerkens guilty of first-degree murder in the slaying of 29-year-old Lynnsey Donald. Officials say Luerkens stabbed Donald dozens of times in a Marion parking lot in April 2015.

Defense lawyers say Luerkens was overusing an antidepressant drug, which contributed to diminished mental capacity during the attack.

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