The FBI has joined an investigation into the road-rage killing of a 3-year-old boy, who police say was fatally shot while riding in the backseat of his grandmother's car in Little Rock, Arkansas.
The FBI also announced Monday that it's offering a $20,000 reward in the case. The city of Little Rock is also offering a $20,000 reward.
Authorities say the boy and his grandmother were on a shopping trip Saturday when a driver opened fire on the grandmother's car after honking at her at a stop sign. The child was pronounced dead at a hospital.
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Police say the shooting appears to be random and that the suspect was driving an old black Chevrolet Impala.
No arrests have been made.