|Relatives||Nicholas Boyle (brother; deceased)|
|Cassie Boyle gallery|
Cassie Boyle was the sister of Nicholas Boyle. She was killed by the copy-cat killer as a means of providing Will Graham with additional insight into the murders of the Minnesota Shrike; by witnessing a crime similar to those of the Shrike, Graham was able to form a clearer picture of who the Shrike might be and what he actually sought to 'accomplish' with his own murders. Her lungs were removed and later eaten by Lecter.