Anchored by Jake Tapper, The Lead airs at 4 p.m. ET on CNN.
Continuing coverage of Malaysia Airlines Flight 17. Plus, the latest on Mideast tensions.
(CNN) – A strong border patrol presence, with boats and helicopters all over the Rio Grande, a bus station where many of immigrants go before leaving town, a Catholic charities shelter, where many of the immigrants go to get a change of clothes before boarding a bus to their next stop – CNN's Alina Machado reports on conditions along the U.S.-Mexico border.