Tex. Civ. Prac. & Rem. Code § 125.069

In an action brought under this subchapter, proof that gang activity by a member of a combination, a criminal street gang, or a foreign terrorist organization is frequently committed at a place or proof that a place is frequently used for engaging in gang activity by a member of a combination, a criminal street gang, or a foreign terrorist organization is prima facie evidence that the proprietor knowingly permitted the act, unless the act constitutes conspiring to commit gang activity.