An Arizona prosecutor said the man arrested in the shooting of a Democratic National Committee office in suburban Phoenix had more than 120 guns and over 250,000 rounds of ammunition in his home, leading law enforcement to believe he may have been planning a mass casualty event.

The man arrested in connection to a shooting at the Democratic National Committee’s (DNC) field office in Tempe, Ariz. may have been planning a mass casualty event, Maricopa County prosecutor Neha Bhatia said in court on Wednesday,

Dozens of guns, thousands of rounds of ammunition and a grenade launcher were reportedly recovered from the home of an Arizona suspect accused of leaving bags of white powder at multiple locations in Ahwatukee and recent shootings targeting a Democratic campaign office in Tempe.

Jeffrey Michael Kelly, 60, was also arrested on suspicion of leaving white powder on political signs in Ahwatukee, according to Tempe police.

Jeffrey Michael Kelly, 60, was arrested thanks to a tip that the suspect stole Democratic signs in 2022 in the same silver SUV that was wanted in the string of shootings, according to the Tempe Police Department.

Federal agents on Wednesday morning hauled more than 120 firearms, including "machine guns," out of the Ahwatukee Foothills home of a man suspected of shooting at a campaign office for the Democratic Party three times and posting bags of white powder labeled as poison near political signs.

Authorities searching the home of a 60-year-old man accused of shooting at a Democratic National Committee office in Tempe, Arizona, discovered an extensive collection of weapons — including 120 guns,