The Veteran Medical Centre Swagger goes to is a real place. Also the interior atrium and walkway is the same walkway that is used at Grey Sloan Memorial Hospital in Grey's Anatomy.
A picture is shown of the lake near the a shootout at Mt Baker. The picture is of Lago di Garda (Lake Garda) in Italy.
The apparatus used on Timmons to make it look like he committed suicide is similar to the one used to attempt the same thing to Agent Nick Memphis in the 2007 movie.