This document provides an overview of cross-border investigative journalism by the International Consortium of Investigative Journalists (ICIJ). It discusses ICIJ projects like Swiss Leaks and Evicted and Abandoned, which involved collaborations of reporters in many countries investigating issues like tax evasion and failures by the World Bank. The document outlines ICIJ's methods, including finding systemic global stories, collaborating to share findings across borders, and using data and virtual newsrooms to facilitate collaborative reporting. Tips are provided on sources of investigative data and tools for working with documents and scraping web pages.