The following excerpt is from Arellano v. Tilton, No. 1:07-cv-01597 OWW MJS HC (E.D. Cal. 2011):
commission of one or more of [certain enumerated] criminal acts..., having a common name or common identifying sign or symbol, and whose members individually or collectively engage in or have engaged in a pattern of criminal gang activity." Cal. Penal Code 186.22(f); People v. Sengpadychith, 26 Cal.4th 316, 323 (2001).
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