Protect. hundreds of places on the mexican side for illegal migrants to cross into the river. many places on the american side for them to hide out until they get caught by the border patrol or move further inland. there are some places in the river where it only takes a rubber raft eight seconds to get across. there's a problem with stopping people as well. the boats running up the river, a deterrent for people who don't want to get caught, for the thousands of central american migrants whose goal is to get caught, it's likely they'll get to the american side. >> trying to interdikt on the wa...