Important Inquiry - Please take a look

[Michael]

We use WSS v2 in a Win2k3 Domain Enviornment. When viewing the Version
History of one of our documents, it shows:

7 5/6/2009 5:47 AM
DOMAIN\USER-A 83 KB
6 5/6/2009 5:35 AM
DOMAIN\USER-A 82.5 KB Restored deletion
5 5/5/2009 4:19 PM
DOMAIN\USER-A 83 KB Deleted 609470 activities
4 5/5/2009 2:06 PM
DOMAIN\USER-A 83 KB Added Milestones, KO Mtg & Proj PLan
3 5/4/2009 4:37 PM
DOMAIN\USER-B 76.5 KB
2 5/1/2009 7:49 AM
DOMAIN\USER-B 62.5 KB
1 4/30/2009 10:24 AM
DOMAIN\USER-B 62.5 KB

This issue is, it references USER-B on 5/4/2009 @ 4:37 PM, when in fact,
that user was not even in the office, or logged in remotely on that day.
Just that Friday (the 1st) before. Can someone explain the potential issue
here?

Thanks very much!