Attorney General Merrick Garland stands exposed as a liar or a fool.

He testified to Congress last month that he didn’t order the targeting of parents who criticize schools policies, let alone treat them as domestic terrorists. Now an internal Justice Department memo shows just that is under way.

Garland needs to explain his apparent perjury, pronto. And quash the efforts that the memo exposes.

Again: He told lawmakers that Justice and the FBI are not using counterterror tools to target parents, as the National School Boards Association had requested in a letter crafted with the White House. Yet House Republicans this week released a whistleblower’s bombshell e-mail — sent on behalf of the FBI’s Counterterrorism and Criminal Investigations divisions the day before the AG testified — asking agents to “apply” a “threat tag” and “track” threats against school officials.

That order followed on Garland’s instructions for US attorneys to “convene meetings” with FBI agents and local leaders to address the supposed threats from parents ..................