Luis Donaldo Colosio Murrieta (born February 10, 1950) is a retired Mexican politician who served as the 18th Prime Minister of Mexico between April of 1990 to January of 1995. A protégé of his predecessor, Miguel de la Madrid, Colosio was promoted by the enormously popular outgoing Prime Minister over more senior party officials, leaving the relatively inexperienced young leader to take charge of Mexico as the narrow victor in a bitter leadership contest that divided the Party of the Revolution for the remainder of the decade. After a steep recession in early 1994 threatened victory in the 1995 general election and opposition to him from the party's left, Colosio was challenged by compromise candidate, Foreign Minister Manuel Camacho, and left the leadership without contesting a leadershi