Set up a live humane trap. She’s hungry , she’ll look for food and you could end up catching your own cat. We TNR and know we catch the cats we’re after. Go after her with a trap. It’s the only way you’ll get her. Your either going to be the one to trap her or she’ll fall into another trap . Meaning starvation , prey, human abuse , TNR trap, or nefarious trap. Please start trying to trap her.