"Most famously, the methods were used by communist East Germany's Stasi (state police), who referred to the strategy as Zersetzung (German for "decomposition" or "corrosion" – a reference to the severe psychological, social, and financial effects upon the victim). Some self-proclaimed victims have described the process as "no-touch torture" – because the tactics generate minimal forensic evidence."
"Tactics include – but are not limited to – slander, blacklisting, "mobbing" (intense, organized harassment in the workplace), "black bag jobs" (residential break-ins), abusive phone calls, computer hacking, framing, threats, blackmail, vandalism, "street theater" (staged physical and verbal interactions with minions of the people who orchestrate the stalking), harassment by noises, and other forms of bullying. In some cases, the harassment escalates to physical violence."