A motorcycle-riding assailant shot Carvalho, editor and owner of the news website Última Hora News, at his home in Campo Grande, capital of Mato Grosso do Sul state, according to . Carvalho often covered local corruption, said.
The journalist and his wife were arriving home at night when the gunman, riding on the back of a motorcycle, shot him at least three times. Carvalho's wife retrieved a gun the journalist carried, but the weapon was locked and she could not return fire, according to . The gunman and the motorcycle driver fled the scene.
Carvalho, a former military police officer, frequently wrote critical reports about police and politicians, according to Última Hora News. The website that the journalist was authorized to carry a gun because he had been threatened and had survived an earlier assassination attempt. Police officials told reporters that Carvalho had been the subject of many lawsuits related to his reporting.
His most recent story, published on the day of his murder, accused an unnamed military police official of intimidating local citizens. Divino Furtado Mendonça, the municipal police chief, told reporters that investigators were focusing on Carvalho's journalistic work as the likely motive, according to news reports.