High Quality Content by WIKIPEDIA articles! Rodolfo Jorge Walsh (born on January 9, 1927 in Lamarque*) was an Argentine writer, considered the founder of investigative journalism. He is most famous for his Open Letter from a Writer to the Military Junta which he wrote the day before his murder, protesting that their economic policies were having an even greater effect on ordinary Argentines than their human rights abuses. He was murdered on March 25, 1977.