Possible Clues:

• Sent duplicates to, briefly
• Kept in the loop, in emails
• Included, in a way
• Looped in, on Gmail
• Kept in the loop, in a way
• Incl. among the memo recipients
• Also E-mailed
• Sent the same 97-Down to
• Kept in the loop with a dupe, briefly
• Emailed a duplicate to