FreePint, an excellent site for research and information management resources, news, and reviews, runs a regular feature called “My Favourite Tipples,” usually written by a practitioner with expertise in a particular research niche. The latest post is by Neil Smith, a UK investigative researcher, who identifies a few indispensable tools for open source intelligence research and backgrounding individuals. The post, as well as his website, are well worth taking a look at, especially for UK sources.