Citi Senior Software Developer interview questions

The interview was with 4 other senior devs who were hiding behind cameras. Out of the 4 one lady was super rude. When I was giving an answer to the best of my knowledge, may not be correct. She interrupted the other interviewer by saying "wait wait! I want to ask!" And then questioned me further, giggling in the background. She definitely wanted to make some fun out of me. It is so unprofessional! Whatever be the case I wasn't cheating and giving the best answers I could. I could have turned the tables around and asked her some questions off the internet hiding behind the screen. Looks like they wanted to humiliate me for something about me or my resume not sure what the goal was. I have interviewed several other companies, but never like this one. Please train your employees on etiquette and manners. All brains has no value.