pathological obsession, obsessed, delusional, unstable or otherwise mentally ill. isolated and desperate, very low self-esteem, perceived or imagined rejection., creep in a trench coat, it will not get better without treatment.
Mental profiling of digital criminals has identified psychological and social factors that motivate stalkers as: envy; pathological obsession (professional or sexual); unemployment or failure with own job or life; intention to intimidate and cause others to feel inferior; the stalker is delusional and believes he/she "knows" the target; the stalker wants to instill fear in a person to justify his/her status; belief they can get away with it (anonymity); intimidation for financial advantage or business competition; revenge over perceived or imagined rejection.
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