Making an immigration arrest requires hours of surveillance

In this July 8, 2019, photo, a U.S. Immigration and Customs Enforcement (ICE) officers transfer a man in handcuffs and ankle cuffs onto a van during an operation in Escondido, Calif. The carefully orchestrated arrest last week in this San Diego suburb illustrates how President Donald Trump's pledge to start deporting millions of people in the country illegally is virtually impossible with ICE's budget and its method of picking people up. (AP Photo/Gregory Bull)
In this July 8, 2019, photo, a U.S. Immigration and Customs Enforcement (ICE) officer looks on during an operation in Escondido, Calif. The carefully orchestrated arrest last week in this San Diego suburb illustrates how President Donald Trump's pledge to start deporting millions of people in the country illegally is virtually impossible with ICE's budget and its method of picking people up. (AP Photo/Gregory Bull)
In this July 8, 2019, photo, a U.S. Immigration and Customs Enforcement (ICE) officer looks on during an operation in Escondido, Calif. The carefully orchestrated arrest last week in this San Diego suburb illustrates how President Donald Trump's pledge to start deporting millions of people in the country illegally is virtually impossible with ICE's budget and its method of picking people up. (AP Photo/Gregory Bull)
In this July 8, 2019, photo, a U.S. Immigration and Customs Enforcement (ICE) officers escort a man in handcuffs during an operation in Escondido, Calif. The carefully orchestrated arrest last week in this San Diego suburb illustrates how President Donald Trump's pledge to start deporting millions of people in the country illegally is virtually impossible with ICE's budget and its method of picking people up. (AP Photo/Gregory Bull)

A U.S. Immigration and Customs Enforcement (ICE) officers detain a man during a July 8 operation in Escondido, Calif. The carefully orchestrated arrest last week in this San Diego suburb illustrates how President Donald Trump’s pledge to start deporting millions of people in the country illegally is virtually impossible with ICE’s budget and its method of picking people up. (AP Photo/Gregory Bull)

ESCONDIDO, Calif. — Two immigration officers had been parked outside a home well before dawn when their target — a Mexican man convicted of driving under the influence in 2015 — appeared to emerge as the sun illuminated a gray sky.