Greenwood Police Chief Ray Moore, center, is joined at a press conference Friday by representatives from some of the 11 law-enforcement agencies now working together to try to solve the rash of bomb threats against Milwaukee Electric Tool Corp.’s manufacturing facility. From left are Warren Strain of the Mississippi Department of Public Safety, Maj. Jimmy Herzog of the Mississippi Bureau of Investigation, Sgt. Joey Miller of the Mississippi Highway Patrol, Mark Steed of the Mississippi Bureau of Investigation, Capt. Michael Johnson of the Greenwood Police Department, and Jim Brensen of the U.S. Department of Homeland Security.