Checking visited links and browser config including plugins has a good chance to give you a unique fingerprint. Though depending on how the password was taken,

Checking visited links and browser config including plugins has a good chance to give you a unique fingerprint. Though depending on how the password was taken, it's possible that you are dealing with multiple people with the same access. Consider having the user contact law enforcement. https://www.eff.org/deeplinks/2010/05/every-browser-unique-results-fom-panopticlick https://www.eff.org/deeplinks/2010/05/every-browser-unique-r...