The driver of the truck also pleaded guilty to state murder and hate-crime charges and was sentenced to life in prison.

CNN: Victim's son: 'They ran him over because he was black'

But a Justice Department official, speaking on condition of anonymity, told CNN the teen will face federal terrorism charges and possibly state murder charges.

CNN: Official: Boston bombing suspect 'sedated'

Better policing has contributed to a fall in the state's murder rate (though it did tick slightly upwards last year).

ECONOMIST: Brazil's possible next president