At Freedom Park in Border Field State Park in Imperial Beach, Calif., Dylan Terrazes of Santa Barbara, Calif. touches his grandmother's fingers as she meets him for the first time.  The park sits at the end of the 1,933 miles of the U.S.-M
       
     
 An undocumented immigrant from El Salvador sits in the back of a police cruiser after being apprehended while fleeing from police along Route 281 north of Edinburg, Texas.
       
     
 Hidalgo County Constable Sgt. Aaron Moreno walks through the remains of a stash house in Edinburg, Texas. Human traffickers use stash houses to hold undocumented immigrants while waiting to take them through their smuggling operations to bypass bord
       
     
 Hidalgo County Deputy Constable Raul Salinas approaches suspected undocumented immigrants during a raid on a home in Elsa, Texas.
       
     
 Ruben Garza Jr., a Supervisory Border Patrol Agent, comforts two children as a bus they were traveling on was searched at the checkpoint in Falfurrias, Texas.
       
     
 Undocumented immigrants sit in the kitchen of a home being used as a stash house after Border Patrol, Homeland Security and constables raided the home in Edinburg, Texas. The nationalities of the 12 immigrants found in the home included Guatemalan,
       
     
 A suspect is taken into custody at a coyote stash house in Edinburg, Texas.
       
     
 A grave for a undocumented migrant is marked with the name 'John Doe' and a small wooden cross in a section of Terrace Park Cemetery in Holtville, Calif., where unidentified migrants are buried.
       
     
 The U.S.-Mexico border fence runs out into the Pacific Ocean near Border Field State Park in Imperial Beach, Calif.