Last dead drop site of Robert Hanssen - he was also arrested in the park here.

Robert Hanssen2001 photo

Robert Philip Hanssen (born April 18, 1944) is a former American Federal Bureau of Investigation (FBI) agent who spied for Soviet and Russian intelligence services against the United States for 22 years from 1979 to 2001. As of 2012, he is serving a life sentence at the United States Penitentiary in Florence, Colorado.

• http://en.wikipedia.org/wiki/Robert Hanssen