A 21-year-old individual, Ryan Christopher Palmeter of Clay County, Florida, lawfully acquired the weapons he wielded to fatally shoot three Black persons in a Jacksonville Dollar General store, an act perceived as racially charged. Palmeter sought entry to Edward Waters University, a renowned Black college, but was turned away.    He subsequently visited the store and commenced the gunfire with an AR-15 inscribed with Nazi emblems. The harrowing event concluded in under 11 minutes, leaving three casualties. Palmeter's history reveals interactions with the police, encompassing a family-related disturbance and a brief mental health intervention. Yet, these incidents didn't translate to a criminal record, enabling him to obtain guns this year lawfully. Jacksonville's Sheriff T.K. Waters remarked that no evident "red flags" could have restricted Palmeter's firearm possession.    Throughout the assault, Palmeter acted independently, lucidly, and unfa...