Cooperation among law enforcement agencies is critical to many investigations, experts say. After a series of shootings by immigration agents, the relationship is showing cracks.

In at least some of the assaults on federal officers, people have shoved them or thrown objects. A D.C. man was acquitted in November after being charged for throwing a Subway sandwich at a Customs and Border Protection agent. A woman in Portland faces a felony assault charge for hitting a federal officer with a tambourine in October.

The Trump administration is reportedly moving to freeze over $10 billion in childcare and social services funding to five Democrat-led states over concerns funds went to noncitizens.

CHICAGO (WGN) — A federal judge has ordered three top leaders of the Trump administration’s immigration enforcement operations, including Border Patrol Chief Gregory Bovino, to answer questions under oath as the court examines whether federal agents ...

PHILADELPHIA (WPVI) -- U.S. Transportation Secretary Sean Duffy addressed ongoing safety concerns at SEPTA on Tuesday, following a federal mandate requiring inspections of all Silverliner IV rail cars due to an immediate fire risk. There are several safety ...

Federal officials unveiled additional charges on Wednesday against a former Olympic snowboarder for Canada who has been wanted for allegedly running a drug trafficking ring. The new charges against Ryan James Wedding include murder, witness tampering ...

Wyoming Gov. Mark Gordon is urging federal officials to rescind a 2014 National Adoption Excellence Award after recipient Steve Marler was convicted of multiple felony child abuse and sexual abuse charges.

A New York City man accused of posting threats on social media targeting Jews, police officers and federal officials faces hate crime charges.