The suspect, who is in custody, was identified as 29-year-old Sayfullo Saipov.
Police say Saipov drove a Home Depot rental truck onto a jogging and bike path, killing eight people.
5 On Your Side Investigators found Saipov lived at the Water's Edge Apartments on Americana Drive in Cuyahoga Falls in 2015.
Neighbors told News 5 Saipov moved out two years ago.
Documents with the Ohio Secretary of State website show Saipov filed articles of organization for a Domestic Limited Liability Company called Bright Auto LLC in 2013. The Stow address is listed on the documents.
A marriage license obtained from the Summit County Court of Common Pleas shows Saipov married Nozima Odilova, of Uzbestan in April 2013.