Colorado Attorney General Phil Weiser has filed a lawsuit against a Colorado sheriff's deputy, holding him liable for allegedly cooperating with federal immigration officials. Weiser made the announcement on Tuesday.

Colorado Attorney General Phil Weiser is suing a sheriff's deputy who Weiser says told ICE officials in an encrypted Signal chat to a woman who was allegedly in the U.S. on an expired visa, in violation of state law.

A Mesa County sheriff’s deputy violated state law when he shared information with federal officials that led to a Utah college student’s immigration arrest last month,