Laura, if you have not already done so, go to "Queries-SU-A" and edit the grid "INVTRANS" and add the name "User" and then the field name "MTIT.EXTRA".  Now, when you look at a transaction in IN-A, you will see the user name, date and time of who did the transaction....as long as they are using EVO and not DBA Classic and using their own login credentials and not a generic credential