The chairman of the FCC, Brendan Carr, slammed his predecessors at the department after criticisms they sent at him over his probing of major broadcast outlets he has said are unfair to President Trump.

When contacted by media reporter Oliver Darcy with statements from three former FCC officials, each who had blasted his department’s probes of NBC, PBS and other outlets, Carr responded “I gotta imagine it’s hard when the curtain is closing on your career and yet you’re still yearning for one more moment in the limelight.”

Carr went on to slam the three, Tom Wheeler, Reed Hundt and Alfred Sikes, who he noted all worked under Democratic presidents and said they “appear to have a pretty bad case of TDS [Trump Derangement Syndrome].”

“In other words, these three are not objective observers—they’re just partisans that are mad the Biden FCC didn’t do more to punish their political enemies,” Carr wrote to Darcy over text message. “In contrast to them, though, I will ensure that everyone gets a fair shake from this FCC.”

Carr has been an outspoken critic of mainstream media companies and recently mocked singer Sheryl Crow after she announced she would be selling her Tesla and donating the funds to NPR, a public broadcaster the FCC has put under investigation regarding its federal funding and editorial practices.