http://thehill.com/homenews/administration/346047-trump-lawyer-manafort-raid-was-gross-abuse
"Reports emerged Wednesday that the FBI raided Manafort's home in Alexandria, Va., late last month. Analysts said the move signals an aggressive new approach to the Russia probe*by special counsel Robert Mueller and his team of investigators.
In his email, Dowd said that among the documents obtained by FBI agents were "privileged and confidential materials prepared for Mr.*Manafort by his counsel to aid him in his cooperation with the Congressional committees," according to Fox News.
"These failures by Special Counsel to exhaust less intrusive methods is a fatal flaw in the warrant process and would call for a Motion to Suppress the fruits of the search," he wrote."
While it appears that this one section of the piece indicates that there are irregularities in the Manafort raid, Dowd is Mr. Trump's attorney, not Manafort's attorney. Since this article was published in August, we don't have record of Manafort's attorney seeking relief on attorney/client materials. The first paragraph explains that Dowd is speculating rather than stating facts.
"President Trump's chief counsel reportedly accused the special counsel's office of committing a "gross abuse of the judicial process" with the FBI raid of Paul Manafort's home." From the link in the quoted material.