the screener stopped the man about to board with a knife in the shoe. he wasn't wearing the shoe. it was a carry-on item. security guards were concerned how well concealed that knife was. fwoo have been okay if the knife had been checked in with his baggage. the passenger was arrested and released. president obama is expected to ask congress for $2 billion to deal with the border crisis. the emergency money would go towards immigration judges and detention centers. susan saulny with the story. >> reporter: over 60,000 children have illegally passed the border. nearly 10,000 in may alone. border patrol holding centers are bursting at the seams. one texas county is preparing to house thousands of child refugees. >> we're moving forward as quickly as we can to take these children from incarceration on the border to compassionate care here in dallas county. >> reporter: this weekend officials went into the neighborhood to prepare residents for an influx of undocumented children.