Stalking is a course of conduct directed at a specific person that would cause a reasonable person to feel fear. It includes both an element of intimidation and an element of control. It does this by destroying the survivor's privacy and security. There is an association between stalking and higher lethality. Stalking occurs both before and after separation. Examples of stalking are: 

In many cases, primary aggressors have installed video surveillance, recording devices, or computer programs that track computer use.