CPJ has joined three press freedom groups in calling for the São Paulo state government to investigate the case of an unidentified police officer who harassed and pointed a rifle at TV Globo reporter Danielle Zampollo while she was covering an August 3 police operation in the Prainha community in the city of Guarujá, about 52 miles (84 kms) from São Paulo. Zampollo was in Prainha following…