I am using Lists.asmx's
GetListItems method, then I'm using info from UserGroup.asmx's
GetAllUserCollectionFromWeb method to get more user details about a person in one of the columns of the list.
I was alarmed to find that many of the items I get from
GetListItems have a person that is not listed in the result of calling
Why would this happen and how do I fix it, or should I be using something other than
GetAllUserCollectionFromWeb as a definitive list of all people who might be stored in a person column of that list?