Williams profile describes this category as being rare, and lists the following characteristics: persecutory subtype, delusions, and paranoid subtype. 

A persecutory subtype --persecutory delusions are the most common form of delusions in paranoid schizophrenia, where the person believes "he or she is being tormented, followed, tricked, spied on, or ridiculed", or that their food is being poisoned.

sounds about right......

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