Acting on behalf of a gay couple in New Jersey who found their engagement photo being used as campaign fodder in Colorado, the Southern Poverty Law Center filed a lawsuit against Virginia-based Public Advocate of the United States.

The Southern Poverty Law Center is going forward with plans to Public Advocate of the United States over a direct-mail campaign that sent Colorado voters a doctored version of a New York gay couple’s engagement photo.

Loudoun County Supervisor Eugene Delgaudio is facing potential legal action after his group, Public Advocate of the United States, used a New Jersey gay couple’s engagement photo in a direct-mail campaign against a Colorado legislator.