Aerial views of the U.S.-Mexico border fence at the beach
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California from Tijuana, Mexico (L). The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of its total length. Located on the Mexican side of the fence is the Plaza Monumental for bullfighting, also known as the Bullring by the Sea. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California (R), from Tijuana, Mexico (L). The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of its total length. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California from Tijuana, Mexico. The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of its total length. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: A U.S. Customs and Border Protection (CBP), helicopter pilot patrols along the U.S-Mexico border on May 11, 2017 in San Diego, California. The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of it's total length. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California from Tijuana, Mexico. The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of its total length. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California from Tijuana, Mexico (top). The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of its total length. Much of the San Diego sector is double-fenced. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California from Tijuana, Mexico. The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of its total length. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California from Tijuana, Mexico (L). The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of it's total length. Located on the Mexican side of the fence is the Plaza Monumental for bullfighting, also known as the Bullring by the Sea. (Photo by John Moore/Getty Images)John Moore
SAN DIEGO, CA - MAY 11: The U.S.-Mexico border fence, seen from above, stretches into the Pacific Ocean on May 11, 2017 in San Diego, California. The fence separates San Diego, California from Tijuana, Mexico (L). The border spans almost 2,000 miles from the Gulf of Mexico to the Pacific Ocean and is fenced for some 700 miles of its total length. (Photo by John Moore/Getty Images)John Moore