Sector Chief Michael Nicley said volunteers who try to patrol the area could hinder operations and draw away Border Patrol agents from priorities if they encounter problems. The Minuteman Project, headed by Jim Gilchrist in California, plans to bring volunteers in April for a monthlong air and ground patrol of Cochise County. The 83 miles of Cochise County's border with Mexico are among the busiest for apprehending illegal immigrants. Nicley said he has concerns about the air operations being proposed by the Minuteman Project since part of the airspace in Cochise County is earmarked for the Border Patrol. Also, Nicley...