The U.S. Department of Homeland Security (DHS) is gearing up for a series of raids that would target for deportation hundreds of families who crossed the border from Central America since the beginning of last year, the Washington Post reported on Wednesday.

The nationwide sweep, a controversial proposal which comes after months of discussion within the Obama administration, would begin as early as January, the Post reports. Since 2014, more than 100,000 families have fled Central America due to violence, poverty, and a growing drought—a figure which does not include the separate influx of unaccompanied minors that also briefly caught national attention.

The Post‘s Jerry Markon and David Nakamura write:

According to sources familiar with the operation, DHS director Jeh Johnson pushed for the deportation sweep despite growing violence in countries like El Salvador, where the homicide rate has hit a generational peak. The push comes in part from a recent court ruling that DHS should start releasing migrant families being held in detention centers. A recent series of hunger strikes and other actions throughout the country have highlighted inhumane conditions at facilities in Texas, Florida, Georgia, and Washington state.

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