“It is clear that ABC News’ enabling of Mr. Epstein has consequences," the House minority leader wrote to the network's president.
The journalist spoke to Ashley Bianco, a CBS producer who was fired after the network learned she had access to Amy Robach's interview with Virginia Giuffre.
The "20/20" host has since spoken out, calling it "a private moment of frustration" and stating her reporting didn't meet editorial standards.
Amy Robach posted the 2015 interview on Tuesday, calling Fisher "brilliantly talented and funny."
"My oncologist said, 'You are out of the baby-making business.'"