David-Paul Sip
W.W.R. = Western Weekly Reports C.R. = Criminal Reports, Canada C.C.C. = Canadian Criminal Cases Ha ha ha...so this is cited in three different publications :D
Ex rel is an abbreviation of the Latin phrase "ex relatione" (meaning "[arising] out of the narration" [of the relator]). The term is a legal phrase most commonly used when a government brings a cause of action upon the request of a private party who has some interest in the matter.