You can find the report here. I have only had a chance to skim it, but this looks like a very solid report that is full of facts, not rhetoric. From my skim it appears that the investigation found that most claims of double voting were the result of either clerical error or father and son having the same name, but that there was some evidence of some isolated cases of double voting and much more evidence of incompetence in running the electoral system making further investigation impossible. Given the administrative problems, the report strongly recommends against election day registration of voters, finding that many ineligible voters can be registered during the process.
I am sure that both sides in the “access” v. “integrity” debate will have much to tout and argue with in this report.