And in July , a bullet shattered a window in his Yuma , Arizona , office , KVOA reported . NEW : The Capitol Police are working with the FBI on the matter . The FBI says the substance in a package sent to Congressman Raul Grijalva is ' nontoxic ' A campaign spokesman says there were two swastikas on the package . It is the third security issue at Grijalva 's district offices this year , a spokesman says .
NEW : The Capitol Police are working with the FBI on the matter . The FBI says the substance in a package sent to Congressman Raul Grijalva is ' nontoxic ' A campaign spokesman says there were two swastikas on the package . It is the third security issue at Grijalva 's district offices this year , a spokesman says .