A 60-year-old Suwanee woman has been charged in connection with a fatal wreck Monday afternoon in south Forsyth.Catherine Ann Hoover was released after being cited by the Forsyth County Sheriff's Office with one count each of failure to yield while turning left and second degree vehicular homicide.The wreck occurred about noon at Hwy. 141 and Sharon Road.Sheriff's Sgt. Chris Shelton said Hoover was turning left onto Sharon when her Mercedes ML320 struck the driver's side of a Ford Ranger pickup that had entered the crossing.The truck overturned, killing 70-year-old Grady R. Chapman of Ball Ground. His grandson and passenger, Rodney Padgett, was taken to North Fulton Hospital. Shelton said Padgett's injuries were not life threatening.The wreck was the third fatality on Forsyth County roads since Friday.Sheriff's Capt. Tim House said Mark A. Ruff, 42, of Rolling Oak Circle was killed Saturday night when his GMC pickup crashed shortly after striking another vehicle at Doc Bramblett Road and Hwy. 20.According to Sheriff Ted Paxton, deputies found the truck about two minutes after the hit and run at Doc Bramblett and Wallace Lake Circle in northwestern Forsyth.Paxton said the truck headed north on Doc Bramblett and apparently passed two vehicles before veering off the left shoulder.