The customer stated that he changed his address in October of the current year, so you look for data events in the

History

view chronology that occurred around that time. You see that multiple data events occurred in October for the record that represents the customer. You navigate to the Email child record and compare the data before and after the data events. You see that the new email address for the customer was added. After further investigation, you see that the middle name of the customer was added.