Three types of stalkers that are identified in this crime classification are the non-domestic stalker who may know the target through social contact or from a random meeting in a public place; the domestic stalker who may be known to the target and had a close personal relationship with the target; and the erotomania stalker whose target is typically a public figure. 2. Stalking is conceptualized on a continuum from nondelusional to delusional behavior. 3. Classification of a crime is the first step in the investigative process.