The family of the Boulder, Colorado firebombing suspect is in federal custody, sources confirm to Fox News.

According to senior sources within the Department of Homeland Security (DHS) and Immigration and Customs Enforcement (ICE), the wife and five children of 45-year-old Mohamed Sabry Soliman were taken into custody.

"Mohamed's despicable actions will be prosecuted to the fullest extent of the law, but we're also investigating to what extent his family knew about this horrific attack," DHS Secretary Kristi Noem said in an X video post on Tuesday afternoon. "If they had any knowledge of it or if they provided any support to it."

The family is being processed for expedited removal, sources said.

BOULDER ILLEGAL IMMIGRANT TERROR SUSPECT’S ’POSSIBLE RADICALIZATION’ PROBED BY AUTH

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