Federal Agents found 120 firearms, including "machine guns," and 250,000 rounds of ammunition at the home of the suspect who reportedly shot up the office that the local Democratic Party uses. Jeffrey Michael Kelly, 60, was arrested after agents used surveillance cameras on the suspect, who allegedly shot the offices three times and posted bags of white powder labeled as poison near political signs. AZ Central reports: About a dozen plainclothes law enforcement personnel were taking inventory of a menagerie of weapons in the carport of Kelly's home on Wednesday morning.