ADVANCE FOR USE FRIDAY, DEC. 23, 2016 AND THEREAFTER-In this July 15, 2016 photo, Wenceslao Rangel Gutierrez, left, and his wife Maria Felix Martinez Chavez, visit the tomb of their son, Jose Chavez, in the municipality of Chapulhuacan, in Hidalgo state, Mexico, where a ribbon decorating the tomb reads in Spanish: "Starting today, the heavens shine brighter. My condolences." The 22-year-old died in a bus accident in the U.S. when returning home to Mexico after finishing a guest worker program. (AP Photo/Marco Ugarte)