--- a/handouts/ho02.tex	Thu Oct 30 01:17:51 2014 +0000
+++ b/handouts/ho02.tex	Mon Nov 03 03:22:41 2014 +0000
@@ -468,7 +468,12 @@
 
 \noindent At the beginning she describes the complete break-in
 by the group of Alex Halderman at the try-out voting at
-Washington D.C.
+Washington D.C. Halderman's amusing paper including pictures
+is at
+
+\begin{center}
+\url{https://jhalderm.com/pub/papers/dcvoting-fc12.pdf}
+\end{center}
 
 \end{document}