>> he did not call me that. >> did i understand you to say that the most important factor about the safety of the -- of any firearm is the responsibility of the user? >> sure. >> so an irresponsible person can be really, really dangerous? >> absolutely. any person that is reckless with their firearm can be dangerous, sure. >> i want to talk for a moment about your connection with this case. you told the jury that you actually reached out to the defense? >> correct. >> tell the jury when you started your consulting company, what you're doing now. >> i started doing consulting work at the -- i want to say it was 2011.