Atlanta, Georgia (CNN) -- The city of Atlanta will pay $4.9 million to the family of Kathryn Johnston, a 92-year-old woman killed in a botched November 2006 drug raid, Mayor Kasim Reed's office announced Monday. Johnston was shot to death by narcotics officers conducting a "no-knock" warrant. Investigators later determined the raid was based on falsified paperwork stating that illegal drugs were present in the home. The incident prompted a major overhaul of the Atlanta police drug unit, and three former police officers were sentenced to prison terms for a cover-up that ensued. Johnston's family will receive $2.9 million sometime...