pud99
Senior Member
This is a pretty good summary, IMO, including of the often-ignored difference between an adverse witness and a hostile witness.
http://en.wikibooks.org/wiki/Canadian_Criminal_Evidence/Credibility/Adverse_and_Hostile_Witnesses
http://en.wikibooks.org/wiki/Canadian_Criminal_Evidence/Credibility/Adverse_and_Hostile_Witnesses