 On the afternoon of 24 May 1984 , Buendía left his office in Mexico City and was walking to his car when a man shot him from behind several times , killing him on the scene . For over five years , the murder case remained unsolved and with several irregularities , including the loss of evidence . In 1989 , several members of the extinct Federal Security Directorate ( DFS ) , Mexico 's top police force that was very close to the Central Intelligence Agency , were arrested for their involvement in the murder of Buendía . The murder case was closed after the perpetrators were arrested , but several journalists doubt the probe 's results and believe that the masterminds behind Buendía 's murder were never arrested . 
