[karzeem]

Mixed Content: The page at 'https://deborah-digges.github.io/shooting-viz/index.html' was loaded over HTTPS, but requested an insecure script 'http://d3js.org/d3.v3.min.js'. This request has been blocked; the content must be served over HTTPS.

[rgbrenner]

go to the http version of the page, and it works fine. http://deborah-digges.github.io/shooting-viz/index.html