Venezuelan migrants increasingly stranded in Mexico, contributing to decline in illegal crossings to US

Venezuelan migrants often have a quick answer when asked to name the most difficult stretch of their eight-country journey to the U.S. border, and it's not the dayslong jungle trek through Colombia and Panama with its venomous vipers, giant spiders and scorpions. It's Mexico.

"In the jungle, you have to prepare for animals. In Mexico, you have to prepare for humans," Daniel Ventura, 37, said after three days walking through the Darien Gap and four months waiting in Mexico to enter the U.S....