The effort to keep schools safe from mass shooters has ballooned into a multibillion-dollar industry. Companies are selling school districts assurance with high-tech products.

Civil rights advocates in suburban New York City are challenging a county's agreement with federal authorities that empowers local police officers to conduct immigration arrests.

Use this interactive map to see the companies near you with active U.S. Immigration and Customs Enforcement contracts.

What academics are calling a Russia-backed propaganda campaign targeted last month’s Canadian election, focusing on divisive topics including an Alberta secession m…