Mr Matsuura deplored the fact that yet another journalist was murdered in Latin America, a region that has frequently been prey to this type of violence.
Death is a very high price to pay for freedom of expression.
This killing shows, once again, that we must spare no effort in combating the impunity that all too often characterizes acts of violence against journalists around the world. Mr Martinez, the deputy editor of the Matamoros newspaper El Imparcial, who was well known for his reporting on organized crime and illegal drug trafficking, was gunned down by four bullets. He had received several threats in the past. The motive for his killing and the identity of his murderers remain, however, unknown.