The murder of the presidential candidate for Mexico's ruling party in March 1994 sent shock waves through the Latin American nation. Many believe the true killers remain at large. Show more
Discover 11,128,835 listings and 280,425 playable programmes from the BBC
The murder of the presidential candidate for Mexico's ruling party in March 1994 sent shock waves through the Latin American nation. Many believe the true killers remain at large. Show more