Training modules/Dealing with online harassment/slides/useful-tools-for-gathering-evidence

Investigating reports: Useful tools for gathering evidence
Editor interaction analyzers can help you see where and how two users have interacted on a specific wiki. It can be useful in examining the background of a dispute between editors or claims of long-term harassment.

Revision history tools (sometimes referred to as "Wiki Blame") can help you locate the appearance of text strings within revisions on a specific page and can be helpful finding a specific comment or edit.

Knowing how to search subpages of a given page (that is, to search pages under a certain prefix) will let you narrow an on-wiki search to the content of only those pages. For instance, if you wished to search all archives of the Meta Wikimedia Forum, and only those archive pages, for a specific term, you would put your search term in the search box, followed by "prefix:Wikimedia Forum/Archives/". The results Search returns to you will be occurrences of the search term only in pages whose names begin with Wikimedia Forum/Archives/.