"These treatments are very tough on people and he's just dealing with the byproduct of the treatment," Woods said Wednesday. "Hopefully he's going to get on top of this part of it and get some rest and come back stronger than ever. That's our hope."
Biden consoles daughter of ailing Arizona Sen. John McCain →
Grant Woods, the committee's chairman, said the examination is aimed at making sure that posse volunteers have the proper training and procedures and that the groups are accountable.
Review launched of sheriff's posse groups in metro Phoenix →