Actually, according to the article the quotes from the parent are recorded on video. They are from the second meeting when "Youssef and Mohamud went to a room

Actually, according to the article the quotes from the parent are recorded on video. They are from the second meeting when "Youssef and Mohamud went to a room at the Embassy Suites, where Hussein was waiting — and where the FBI had installed several hidden cameras." The first meeting is the one that wasn't recorded.