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...A rail freight bridge in the city — along with another in El Paso — was closed in mid December to free up border patrol officers for redeployment elsewhere....
...But despite Mr López Obrador’s anti-corruption crusade, Mr Martinez still relies on pliable Mexican migration officers known as “la migra”....
...Martinez and his officers also take immigrants alive, picking up about 60 people a day in recent months, often in large groups. Some are captured by the sheriff’s scouts....
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