During some of the federal government's most recent high-profile immigration crackdowns in Chicago, Los Angeles and Washington, D.C. — which the Trump administration has said are intended to target mainly unauthorized immigrants with criminal histories — most of the people detained had only civil immigration violations , new data shows.

The data, released by Immigration and Customs Enforcement and published by the Deportation Data Project on Monday, shows detentions of people without criminal records spiked in recent months in those cities.

From early September, when the Chicago operation began, to mid-October, average daily book-ins to temporary detention facilities in Chicago or nearby Broadview increased from about three people a day without criminal records to more than

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