Read the following premise and answer if the hypothesis is true.
Roberto Javier Mora García (c. 1962 – 16 March 2004) was a Mexican journalist and editorial director of "El Mañana", a newspaper based in Nuevo Laredo, Tamaulipas, Mexico. He worked for a number of media outlets in Mexico, including the "El Norte" and "El Diario de Monterrey", prior to his assassination.
Hypothesis: Roberto Javier Mora García worked outside of Mexico too. . Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
It's impossible to say
It's impossible to say based on the given information.