Illegal immigrants with 'terrorism ties' will continue to exploit border, Homeland Security report warns

Illegal immigrants with "terrorism ties" are expected to exploit the U.S. border as the threat environment remains high, the Department of Homeland Security warned Wednesday. 

The agency detailed a number of warnings in its annual Homeland Threat Assessment, which is used to inform local, state and federal agencies about public safety and security threats, saying the "terrorism threat environment" over the next year "will remain high." 

"Over the next year, we expect some individuals...