The Washington Trail: A Slade and Cork Mystery - Hardcoverby Lou Aguilar (Author) Only in Washington can the most routine affair escalate to a national threat Two young private eyes ex Army Ranger Mark Slade and ex FBI analyst Neil Cork take on the seemingly trivial case of a gorgeous UNC student dumped by her DC based boyfriend. It seems like any other affair. Mostly harmless beyond the parties involved. They never expected it to be wrapped up in a conspiracy threantting national security, with an ex