Rod Ponton, a US lawyer from a county in Texas, told Reuters that he was not sure how the "cat" filter got there during a virtual court proceeding on Tuesday.br br "The judge calls the case and everybody's face is up on Zoom. And everybody's face popped up, except mine. Mine was a cat," he said.br br Judge Roy Ferguson helped remove the filter and the hearing proceeded.br br Ferguson called it a "one of those learning moments".