Sarah Silverman is a purveyor of Social Justice Marxism propagandistic lies. This Neo-Marxist authoritarian hate cult is steeped in superstitions derived from authoritarian philosophers.
Her claim that “all serial killers are white guys” is not her own invention. It is a claim that originated in the indoctrination programs that were once, before they were taken over by authoritarian social engineers, institutions of higher education.
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To disabuse yourself of this "gender studies" indoctrination, see these “entry-level” educational posts and start becoming familiar with some politically incorrect facts about serial killers:
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