howard and montgomery counties. among them, this friendly's. and bob evans. >> the fbi says the suspect whipped out a handgun at every robbery. most recently, here at this appleby's. . >> katherine elder has worked right next door at the bob evans next door for 13 years. >> i'm very frightened to each come into work right now. you don't know what he's looking at, what he's going to do. >> reporter: each case, witnesses described the man as a robber with a light complexion. 6'tall. 250 pounds. disimpghts blue or green eyes. >> if anyone has seen an individual who has possibly talked about these crimes or bragged about these crimes or has the features that we already went over. that will be extremely helpful. >> and to protect the investigation, the fbi is not talking about what time of day these attacks are happening or whether anyone has been injured. they are offering a $10,000 reward for good information. we're live in columbia tonight, weijia jiang, wjz eyewitness news. >> special alleges are asking anyone with information to call the fbi at 410-265-8080. all calls are confidential. >>> tonight, people are still assessing the damage from the powerful storms that whipped throu