Washington, D.C. - Alley Cat Alliesâ€[emoji]8482[/emoji] DC Cat Assistance Team (DC CAT) is the primary Trap-Neuter-Return (TNR) program for feral cats in Washington, DC and has neutered more than 1500 cats in less than two years. Washington Humane Society is now working directly with ACA to develop a formal animal control program that will for the first time include nonlethal humane control, Trap-Neuter-Return (TNR), for feral cats in Washington, DC.