(CNN) – The Arkansas coordinator for Mike Huckabee's political action committee resigned Tuesday, citing the former Arkansas governor's decision nine years ago to grant clemency to Maurice Clemmons, the man suspected of murdering four police officers in Washington state.

Jason Tolbert, who runs a conservative blog, served as Arkansas state coordinator for HuckPAC in a volunteer capacity.

"My departure was with a heavy heart but was done after serious prayer and consideration," Tolbert wrote on his Web site. "Some have asked about the timing. As most could imagine, the recent news of the last two days along with the response did play a role in this decision but was not the sole factor."

Huckabee said Tuesday he takes "full responsibility" for the clemency decision.

"I acted on the facts presented to me in 2000, the former GOP presidential hopeful said in a statement. "If I could have possibly known what Clemmons would do nine years later, I obviously would have made a different decision. But if the same file was presented to me today, I would have likely made the same decision."