While addressing a conservative high school leadership summit, Attorney General Jeff Sessions repeated the crowd’s chant, “Lock Her Up,” echoing President Donald Trump’s rallying cry.

Throughout his speech, Sessions reprimanded universities for “coddling our youth” and “actively preventing them from scrutinizing the validity of their beliefs.” He also admonished universities for silencing young conservative voices to create a “generation of sanctimonious, sensitive, supercilious snowflakes.” The attorney general then commended those gathered for championing conservative values, to which the crowd erupted into cries of “Lock Her Up!” The phrase seemed to humor Sessions who repeated it while laughing. “I heard that a long time over the last campaign,” he added.

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Trump had previously popularized the mantra during his campaign when he claimed fellow candidate Hillary Clinton belonged in jail. At the time, Clinton was under federal investigation for using a private email server while serving as secretary of state. Even though Clinton was cleared of any charges by the FBI, Trump has continued to push Sessions to pursue a case against her. With the president’s coaxing, Sessions did assign a federal prosecutor to look into the case. But, he still refused to formally appoint a special counsel earlier this year.

Law enforcement officials are expected to maintain political objectivity with regard to issues that could be investigated by agencies under their influence.