crime stats can be measured in stolen bicycles. >> great place to raise a family. >> reporter: here's a veteran investigator for the county. what's your crime rate? >> it's not that high. we don't have too much violent crime. >> reporter: dozens of homicides a year, would you say? >> no, not at all. we might have one a year. >> reporter: one a year? >> yeah. >> reporter: and in march, 2009, they did have one -- a homicide. a bad one that sent neighbors shopping for burglar alarms and maybe fresh ammo. >> you wonder, "what's going on? what's happening?" >> reporter: so many terrible things happened so quickly. so many taboos were broken on an anywhere suburban street that the mind reeled. >> we were so confused. we just kept praying for the families. >> the whole neighborhood was shocked. >> reporter: it began here with two houses, two best friends on a street called hot springs drive in grovetown. kay parsons had moved into the neighborhood in 2005. she was a devoted wife to her husband, david, who worked down at ft. gordon. and an active little league mom cheering on her 12-year-old son