Donald Trump.Anna Moneymaker/Getty Images Donald Trump asked his lawyer if they could push on the DOJ's classified documents subpoena. Sources told CNN that Trump was only asking for legal advice when he brought up the question. Legal experts told Insider the statements could be troublesome if they followed through. Donald Trump asked his lawyer if there were ways to push back against the Justice Department after it requested he hand over classified documents through a subpoena, according to "overly detailed" notes from his attorney relayed to CNN by multiple sources.Trump lawyer Evan Corcoran took the notes before lawyers for the former president told the DOJ they had returned what they believed were all the documents in Trump's possession, CNN reported.Sources who spoke to CNN said that Trump was only asking for legal advice when he inquired about the pushback.