The lawyers for Dzhokhar Tsarnaev have asked to be replaced during the appeals process for the Boston Marathon bomber, according to published reports.

Two members of the team of lawyers, which were appointed to Tsarnaev following his 2013 arrest, filed a motion on Wednesday in the U.S. Court of Appeals for the First Circuit to switch with a new duo that could give their client “high-quality, cost-effective representation,” Boston.com reported. 

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Miriam Conrad, Massachusetts chief federal public defender, and David Bruck, a death penalty expert, will be replaced with David Patton, executive director and attorney-in-chief of the Federal Defenders of New York, and Gail Johnson, an attorney with Colorado death penalty experience, Boston.com added.

According to the Boston Globe, the initial five lawyers represented Tsarnaev during his five-month death penalty trial early last year. In June 2015, he was sentenced to death and the lawyers filed an initial notice of his appeal on Jan. 29.

It is considered to be routine for new lawyers to take over a death penalty case during the appeals process, the Globe reported.