Julia Preston, The Marshall Project, Nov. 7, 2018 - "Before he was forced to resign on Wednesday, Sessions was exceptionally aggressive as attorney general, using his authority to steer the immigration courts, restrict access for migrants to the asylum system and deploy the federal courts for immigration enforcement purposes.
Under American law, the attorney general has broad powers over the immigration courts, which reside in the Justice Department not in the independent federal judiciary. Sessions, who made immigration a signature issue during his two decades as a Republican senator from Alabama, exercised those powers to rule from on high over the immigration system.
While Trump complained about Sessions, on immigration he was an unerringly loyal soldier, vigorously executing the president’s restrictionist policies.
Sessions made it his mission to reverse what he regarded as a failure to enforce order in the system by President Barack Obama and Democrats in Congress, despite plunging numbers of illegal border crossings and record deportations under the previous administration. ...
“I’ve never seen an attorney general who was so active in the immigration sphere and in a negative direction,” said Daniel Kowalski, the editor of Bender’s Immigration Bulletin, a widely-used reference for lawyers. Kowalski said he’s been practicing immigration law for 33 years."