Initial reports indicated that authorities suspected that the four kidnapped Americans had been confused for Haitian migrants, whose numbers in Matamoros have increased in recent weeks.
It also revealed an overlooked trend: the extreme vulnerability of the thousands of migrants who have been stuck in Mexican border towns for the past three years.
"We feel like we are being kidnapped inside this city," Fedler Dominic, an Haitian migrant in Matamoros, told Insider in a phone interview.
In April 2022, three migrants, including a man from Peru, were kidnapped in Nuevo Laredo, another border city.
"You can't basically move from the camp," Manuel Velázquez, a Cuban migrant in Matamoros, told Insider.