Surveillance Countermeasures: A Serious Guide T... -

Elena, referred to in tradecraft as the , knew the "standard surveillance box" was likely closing in. Her goal wasn't just to run, but to practice antisurveillance —the active manipulation of a hostile effort.

Surveillance Countermeasures: A Serious Guide to Detecting ... - eBay

: To confirm her suspicions, she executed a Surveillance Detection Route (SDR) . She made a series of "innocent" turns—stopping for gas, then doubling back toward a grocery store.