The Hollywood lawyer’s support of the president’s son is under scrutiny from House Republicans while his aggressive tactics are rankling the White House.
The heart of the federal case against the president’s son — that he lied about drug use on a federal form when he purchased a handgun — is not typically the basis for a stand-alone prosecution.
The shift by Mr. Lowell, one of Washington’s best-known scandal lawyers, highlights the blurry lines between self-promotion, access to power and the right to legal representation.