Spotlight: Is ethnicity/religion relevant in Muslim rapes?

Incredibly long list of Muslim rapes…

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As a true crime reader of long standing, I have noticed some patterns myself.  Men of European descent are certainly capable of rape.  But generally they are solitary.  They do not tend to gang rapes, for example.

Brutal stranger rape is often a precursor to later murderous behaviour, serial killing, and they are also usually solitary.  The men are clearly psychopaths.

I have not followed the Muslim rapes as closely (are there any books of the true crime genre about it?) but I get the impression that the men are not always brutal psychopaths and are responding to different cultural values.