It runs across rocky deserts, flowing sand dunes and miles of agricultural land. The wall splits towns and families, marking a boundary between two countries that used to be one
The families have been scouring the desert location called El Patrocinio since April 2015, when they first reported their discovery to authorities.
The brief reunions were part of a "Hugs Not Walls" campaign sponsored by the Border Network for Human Rights, an immigration rights group.
Starwood Management LLC, the owners of the downed Learjet 25, must pay a total of US$70 million to the loved ones of Jenni's publicist, makeup artist, hairstylist and lawyer.
Since the start of the budget year in October, more than 51,100 people traveling as families and more than 43,000 unaccompanied children have been caught illegally crossing the Mexican border.
Mexican criminal gangs used to avoid targeting the family members of their rivals. But in recent weeks, gunmen have mowed down fathers, mothers and children indiscriminately.
State interior minister Herminio Garza Palacios said the shootings took place in Ciudad Victoria, capital of Tamualipas, a state that has been mired in violence between warring drug cartels for years.
The pope also strongly upheld the church's opposition to same-sex marriage.
The march, led by the parents of the missing students, began at the official residence of Los Pinos and is heading to the Zócalo.
The families of 43 missing students met with President Enrique Peña Nieto on Thursday and delivered a letter demanding a new internationally supervised investigation.