A White House Cabinet secretary under former President Barack Obama Barack Hussein ObamaChicago's next mayor will be a black woman Obama portraits brought more than 1 million visitors to National Portrait Gallery in first year With low birth rate, America needs future migrants MORE took an implicit swipe at Trump administration officials on Friday, saying he didn't know of anyone in the Obama White House that needed to hire a lawyer.

"I served 4 years in the Obama White House. I never hired a lawyer, and I don't know anyone who did," Chris Lu, who also served as a deputy secretary of Labor under Obama, wrote on Twitter. "Just thought I'd point that out."

I served 4 years in the Obama White House. I never hired a lawyer, and I don't know anyone who did.



Just thought I'd point that out. — Chris Lu (@ChrisLu44) July 14, 2017

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President Trump Donald John TrumpREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails Trump urges North Korea to denuclearize ahead of summit Venezuela's Maduro says he fears 'bad' people around Trump MORE and some senior officials in his administration have hired outside attorneys to help them navigate the shaky legal ground surrounding the special counsel and congressional probes into Russia's meddling in the 2016 presidential election.

In May, Trump hired attorney Marc Kasowitz to head the team of outside lawyers helping him with the Russia probes. Also on that team is Jay Sekulow, an attorney well-known for his work defending Christian conservative causes who has defended Trump on television.

More recently, Trump's eldest son Donald Trump Jr. hired a lawyer to represent him after it was revealed that he met last year with a Russian attorney who was presented as having damaging information about his father's Democratic opponent Hillary Clinton Hillary Diane Rodham ClintonREAD: Cohen testimony alleges Trump knew Stone talked with WikiLeaks about DNC emails County GOP in Minnesota shares image comparing Sanders to Hitler Holder: 'Time to make the Electoral College a vestige of the past' MORE.