Coyote deal on the border, 2019

Bribes are traditionally paid along the route to authorities, but also to organised crime groups that control territory, especially at Mexico's northern border with the US and charge smugglers for each migrant they cross.

Ebrard said Mexico was meeting weekly with governments from Central America's Northern Triangle - Guatemala, Honduras, El Salvador - to exchange information about smuggling rings. But he said he also expected cooperation from the US government.