Officers said Hymer entered the first Speedway, 1475 W. Market St., around 1:04 a.m. Thirteen minutes later police believe the same man robbed a second Speedway, 1894 W. Main St.
Both stores are 24-hour locations and police said there is surveillance video of the reported crimes.
Hymer was arraigned on 1 count of robbery, 1 count of aggravated robbery and 2 counts of possessing criminal tools and booked into the Miami County Jail. His bond was set at $200,000 in Miami County Municipal Court.