Walter Leon Cook, 35, was killed in a shooting during a domestic dispute at the Wesley Club Apartments off Interstate 20 in Decatur, Georgia, on August 28, 2017. The altercation began after Cook’s sister asked Robert Lee Hamilton Jr., identified as the father of her child, to leave her apartment. Witness accounts say Hamilton allegedly produced a firearm and shot Cook twice, striking his chest and right arm. Cook reportedly fired at least once before retreating into the apartment and collapsing in the dining room; an apartment security guard performed CPR but Cook showed no signs of life during transport to Grady Memorial Hospital.

DeKalb County police identified 29-year-old Robert Lee Hamilton Jr. as the suspect. He was arrested on September 1, 2017, and charged with felony murder; authorities also noted an outstanding warrant for a separate family violence matter. Bond was initially set at $75,000 and later reduced. Subsequent grand jury action led to additional charges including aggravated assault and weapons offenses.