Opposition party official killed at his birthday party in Brazil

As Brazil moves toward a contentious election between former leftist president Luiz Inácio Lula da Silva and incumbent right-wing president Jair Bolsonaro, the country's divisions have turned deadly. A supporter of President Bolsonaro is accused of shooting and killing Marcelo Arruda, a member of Brazil's left-wing Worker's Party. CNN's Shasta Darlington reports.