"He's been telling people in Alabama he's not interested," a Justice Department source told Newsweek.
The Justice Department sent out letters to 29 cities, counties, and states on Wednesday warning that they are breaking the law.
The attorney general has long been an opponent of cannabis legalization.
More than 30 prominent Republicans are demanding Roy Moore drop out of the Senate race in Alabama or face expulsion if elected.
House Judiciary Committee Democrats say they will force Sessions to reveal more about Russia meetings.
Desiree Fairooz wrote on Twitter that "Guess they've got enough 'laughing' matters to deal with!"
The attorney general's comments came as President Donald Trump has repeatedly linked the ISIS-inspired terror attack in Manhattan to the need for tougher immigration policies.
Attorney General Sessions said he has authorized federal prosecutors to investigate members of the international MS-13 gang with all lawful tools.
Former Attorney General Eric Holder criticizes the Trump administration's stance on crime, sentencing, private prisons and drugs.
President Donald Trump isn't doing too hot either.
Violent crime in the U.S. increased again in 2016, a rise that could be seen to reinforce the dark, "American carnage" view of America taken by Trump and Sessions.
A report suggests the administration is drafting a policy to fast-track the deportation of 150,000 children who arrived in the U.S. alone.
Gov. Jerry Brown, a Democrat, has expressed support for the California Values Act and is expected to sign the restrictions into law.
Trump's first year in the White House has been marred by persistent leaks at virtually every government level.