"This website shows how we found out how it works, how we wrote software for it and how, when given brief access to the devices at any time before the election, we can gain complete and virtually undetectable control over election results. It also shows how we discovered that radio emanations from an unmodified ES3B can be received at several meters distance and be used to tell who votes what."
Source: http://www.wijvertrouwenstemcomputersniet.nl/English 
("We don't trust voting computers" is a non-profit, non-partisan foundation seated in Amsterdam, The Netherlands. The foundation aims to advance, defend, and research verifiable and transparent elections, with specific focus to the obstacles imposed by electronic voting.)
Here an overview of TV-programmes, radio-shows and newspaper articles in which the Dutch campaign "Wij vertrouwen stemcomputers niet" has been mentioned (in English)."The Committee on Foreign Investment in the U.S., the same one that raised the alarm over Dubai investing in American ports, is investigating alleged ties of voting software firm Smartmatic to the Venezuelan government.
True or not, the bigger question is, if one board member on a start-up software company merits a federal investigation, what about the company that dominates US voting – Diebold -- whose CEO is a major contributor to the Republican party, and whose machines are already suspected of widespread electoral tampering?" Source: Venezuela tampering with US elections -- oh really? | Wake Up From Your Slumber