diff --git a/app.py b/app.py
index d956d9f..b566f80 100644
--- a/app.py
+++ b/app.py
@@ -162,6 +162,13 @@ def FUN_delete_user(id):
     if session.get("current_user", None) == "ADMIN":
         if id == "ADMIN": # ADMIN account can't be deleted.
             return abort(403)
+
+        # [1] Delete this user's images in image pool
+        images_to_remove = [x[0] for x in list_images_for_user(id)]
+        for f in images_to_remove:
+            image_to_delete_from_pool = [y for y in [x for x in os.listdir(app.config['UPLOAD_FOLDER'])] if y.split("-", 1)[0] == f][0]
+            os.remove(os.path.join(app.config['UPLOAD_FOLDER'], image_to_delete_from_pool))
+        # [2] Delele the records in database files
         delete_user_from_db(id)
         return(redirect(url_for("FUN_admin")))
     else:
diff --git a/database.py b/database.py
index 66244ae..d05efbc 100644
--- a/database.py
+++ b/database.py
@@ -42,7 +42,9 @@ def delete_user_from_db(id):
     _conn.commit()
     _conn.close()
 
-    # when we delete a user from database USERS, we also need to delete all his or her images data from database IMAGES
+    # when we delete a user from database USERS, we also need to 
+    # [1] delete all his or her images from image pool (done in app.py)
+    # [2] delete all his or her images records from database IMAGES
     _conn = sqlite3.connect(image_db_file_location)
     _c = _conn.cursor()
     _c.execute("delete from images where owner = '" + id + "';")
diff --git a/database_file/images.db b/database_file/images.db
index 1b63bde..8cd3d68 100644
Binary files a/database_file/images.db and b/database_file/images.db differ
diff --git a/database_file/notes.db b/database_file/notes.db
index 4bd9ed2..e1b8200 100644
Binary files a/database_file/notes.db and b/database_file/notes.db differ
diff --git a/database_file/users.db b/database_file/users.db
index eecd029..ce5a1a1 100644
Binary files a/database_file/users.db and b/database_file/users.db differ
diff --git a/image_pool/e7c589f2627e1dac3fb9d57ad9ccd6066e67ce31-flask.png b/image_pool/cbebc37b8e9ae56d722fc3966bb78da4ce48f9a6-flask.png
similarity index 100%
rename from image_pool/e7c589f2627e1dac3fb9d57ad9ccd6066e67ce31-flask.png
rename to image_pool/cbebc37b8e9ae56d722fc3966bb78da4ce48f9a6-flask.png