In Linda R.S. v. Richard D., 410 U.S. 614 (1973), the mother of an illegitimate child challenged the constitutionality of a Texas criminal statute that subjected any parents who failed to support their children to prosecution. The Texas courts had construed the statute to apply solely to parents of legitimate children and not to parents of illegitimate children, and the Texas prosecuting attorney had refused to prosecute the alleged father of the mother's illegitimate child. Id. at 615-16. The United States Supreme Court said the mother had suffered an injury from the alleged father's failure to pay support. Id. at 618. The Court concluded, however, that abstract injury was not sufficient to establish standing, because parties who invoke judicial power must show they have sustained, or are in immediate danger of sustaining, some direct injury as a result of a statute's enforcement. Id. at 618. The Court concluded the mother did not have standing because she had not shown her failure to secure support resulted from the nonenforcement of the statute. Id.