A quiet memorial for Mexican ex-president Luis EcheverriaJuly 10, 2022 GMTMEXICO CITY (AP) — The remains of former Mexican President Luis Echeverria were cremated Sunday, after a quiet memorial service. Mourners were few for Echeverria, who was blamed for some of Mexico’s worst political killings of the 20th century.Luis Echeverria, Mexico leader blamed for massacres, diesBy E. EDUARDO CASTILLO and MARK STEVENSONJuly 10, 2022 GMTMEXICO CITY (AP) — Former Mexican President Luis Echeverria, who tried to cast himself as a progressive world leader but was blamed for some of Mexico’s worst political killings of the 20th century, has died at the age of 100.