Texas Civil Practice and Remedies Code - CIV PRAC & REM § 125.064. Suit to Abate Nuisance

(a) A district, county, or city attorney, the attorney general, or a resident of the state may sue to enjoin a public nuisance under this subchapter.

(b) Any person who habitually associates with others to engage in gang activity as a member of a combination or criminal street gang may be made a defendant in the suit.  Any person who owns or is responsible for maintaining a place that is habitually used for engaging in gang activity may be made a defendant in the suit.

(c) If the suit is brought by the state, the petition does not require verification.

(d) If the suit is brought by a resident, the resident is not required to show personal injury.