<|begin_of_text|><|begin_of_text|><|begin_of_text|>MEXICO CITY (AP) — A man was arrested Monday in the shooting death of a journalist who worked for the newspaper El Heraldo de Chiapas, and authorities were searching for three other people suspected of having ordered the killing.
<wm>Mexico City officials reported an attack on two journalists who are demanding answers about an increase in murders and harassment of the press in Chiapas.
Amilcar Maldonado Hernández, the newspaper's editor and chief correspondent was found dead outside a state-run factory in Oaxaca on Sunday afternoon.
Maldonado, who started working his job as an interviewer in Oaxaca at age 28, has been an outspoken critic for human rights issues faced by migrant workers in his state.
M</wm>aldonado was a key investigative journalist at El Heraldo de Chiapas since 2011