Texas Code of Criminal Procedure - CRIM P Art. 67.054. Submission Criteria

(i) a self-admission by the individual of membership in a criminal street gang or foreign terrorist organization that is not made during a judicial proceeding, including the use of the Internet or other electronic format or medium to post photographs or other documentation identifying the individual as a member of a criminal street gang or foreign terrorist organization;

(ii) an identification of the individual as a member of a criminal street gang or foreign terrorist organization by a reliable informant or other individual;

(iii) a corroborated identification of the individual as a member of a criminal street gang or foreign terrorist organization by an informant or other individual of unknown reliability;

(iv) evidence that the individual frequents a documented area of a criminal street gang or foreign terrorist organization and associates with known members of a criminal street gang or foreign terrorist organization;

(v) evidence that the individual uses, in more than an incidental manner, criminal street gang or foreign terrorist organization dress, hand signals, tattoos, or symbols, including expressions of letters, numbers, words, or marks, regardless of how or the means by which the symbols are displayed, that are associated with a criminal street gang or foreign terrorist organization that operates in an area frequented by the individual and described by Subparagraph (iv);

(vi) evidence that the individual has been arrested or taken into custody with known members of a criminal street gang or foreign terrorist organization for an offense or conduct consistent with gang activity as defined by Section 125.061, Civil Practice and Remedies Code;

(vii) evidence that the individual has visited a known member of a criminal street gang or foreign terrorist organization, other than a family member of the individual, while the member is confined in or committed to a penal institution; or

(viii) evidence of the individual's use of technology, including the Internet, to recruit new members of a criminal street gang or foreign terrorist organization.