She would have searched through various electronic databases that contain research information. She would have contacted people in other countries to find out what they've been doing in electronic monitoring. Bringing in all that information and reviewing the content of these articles, she would have then prepared her report summarizing, basically, what others have said about electronic monitoring in studies that have been published in either the peer-reviewed literature or in what we call the grey literature, which would be government publications and other sources of information.
On March 1st, 2012. See this statement in context.