I'd be curious to read more about what your friend saw. There are ways to make that happen, e.g. https://www.nytimes.com/newsgraphics/2016/news-tips/index.htm

I'd be curious to read more about what your friend saw. There are ways to make that happen, e.g. https://www.nytimes.com/newsgraphics/2016/news-tips/index.html#securedrop https://www.nytimes.com/newsgraphics/2016/news-tips/index.ht...