William G. Grubbs is accused of robbing a local bank. (Image: Kenton County Jail)Update (July 2 @ 5:00 a.m.)Formal charges have been filed on a Kentucky man suspected of demanding cash at a MainSource Bank in Greensburg.Prosecutors have charged William G. Grubbs, 36, with robbery as a class C felony, according to the Greensburg Daily News. Detectives believe the suspect entered the bank and passed a handwritten note to the clerk demanding cash and claimed he had a firearm on Wednesday, June 25.He was apprehended the same day in Northern Kentucky after being pulled over by a police officer for an unrelated matter. He was arrested and booked into the Kenton County Jail.Indiana is not the only state Grubbs is facing a bank robbery charge. He is suspected of entering a Louisville bank on June 7 and demanding money through a handwritten note.First Report (Monday June 30 @ 8:11 a.m.)Authorities in Kentucky have arrested a man who is suspected of robbing the 10th Street branch of MainSource Bank in Greensburg last Wednesday.Detectives told the Greensburg Daily News the suspect entered the bank and passed a handwritten note to the clerk demanding cash and claiming he had a firearm.William G Grubbs, 36, of Independence, KY, was arrested on Wednesday evening after a traffic stop on unrelated charges in Northern Kentucky.Greensburg police say they were contacted by the out-of-state agency after evidence in the vehicle linked Grubbs to the Decatur County bank robbery.As of Monday morning, Grubbs has not been formally charged in connection to the robbery at MainSource Bank. He remains jailed in Kenton County, KY.