Congressman Peter T. King (R-NY).

Fox News – Battle lines are being drawn as Republican Rep. Peter King prepares to hold a high-profile hearing Thursday that will examine the threat posed by radical Islam in the United States.

The New York lawmaker, who is chairman of the House Homeland Security Committee, has received threats in recent days but says he “will not back down.” His plans have divided lawmakers on Capitol Hill and triggered a backlash from Muslim and civil liberties groups claiming he’s unfairly targeting members of one faith.