Just arrived via Twitter, so unread:
A definitive guide to verifying digital content for emergency coverage

Authored by leading journalists from the BBC, Storyful, ABC, Digital First Media and other verification experts, the Verification Handbook is a groundbreaking new resource for journalists and aid providers. It provides the tools, techniques and step-by-step guidelines for how to deal with user-generated content (UGC) during emergencies.
Available free:http://verificationhandbook.com/book/