Someone set fire to a Tesla dealership in Rome and destroyed 17 vehicles.
The fires been described as terrorism by federal authorities.
Elon Musk told Fox News "they basically want to kill me" when discussing opposition to Tesla.
The New Year started off with a Cybertruck catching fire and detonating makeshift explosives in front of a Trump hotel in Las Vegas.
Federal agents had monitored 28-year-old Anas Said for years before his arrest earlier this month.