i have no idea if you are still on crutches or not but with me being on crutches for the last 9 weeks I can't hardly carry my purse let alone catch a wily kitten. If you can catch them, at least take them to a shelter or a cat rescue, with all your problems lately, you do not need to add to your troubles, physically or financially.
And I'm thinking of all your animals not just trying to be difficult.