CONCORD, N.H. (AP) – Lawyers for a man sentenced to death for killing a New Hampshire police officer have begun the process of appealing the capital murder conviction in the state Supreme Court, outlining 106 arguments they intend to make.

Michael Addison was sentenced to die in December for murdering Manchester police Officer Michael Briggs in 2006. It was New Hampshire’s first death sentence in 50 years.

The Supreme Court must review all death sentences to determine whether they were decided arbitrarily or are disproportionate to sentences for similar crimes.

The Concord Monitor reports that in their notice of appeal filed Friday, Addison’s lawyers say their challenges will include whether the trial should have been moved out of Manchester, whether the death penalty is unconstitutional and whether Addison’s trials for other crimes should have been scheduled after the capital case, instead of before it.

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