Choose an Event in the list on the left. Click the icon to show the Factoid List in this window. Click the icon to expand a list of Persons associated with your selected Event. Then:
- Check the box besides the name of the Event you have chosen to add it to the search criteria of a 'Selected Persons' query;
- Click the name of a person, shown in red, to show a list of factoids for that person in this window.