The chairman of the Federal Communications Commission has opened an investigation into NPR and PBS over the public broadcasters’ airing of commercials. Brendan Carr, President Donald Trump’s pick to lead the agency,

Federal Communications Commission Chairman Brendan Carr said he is launching investigations into both PBS and NPR, in the hopes of helping Congress defund the public broadcasters. His basis for the investigation stems from what he alleges are potentially unlawful commercials.

Brendan Carr, the President Trump-appointed FCC chairman, warned the CEOs of PBS and NPR that they “could be violating federal law by airing commercials” — and that he has ordered an investigation by the FCC’s Enforcement Bureau into the matter.