(Eaton, OH)--Investigators say there could be a serial arsonist in Eaton. The state fire marshal’s office now is indicating that two separate fires, both set in the last month and both on Walnut Street in Eaton, were intentionally set. A resident was in the process of moving out when the most recent fire was set. There were pets still living in the home. A $5000 reward is being offered for information that leads to the arrest of the arsonist.