You return the cop's wave and close with him, explaining how you plan to help catch the pony, and even start going into detail your various plan to catch the equine.
"We appreciate your spirit, but that horse has been declared dangerous at best. You should head home and let us handle it. We're armed and trained to handle this properly. You a local?"
You try to distract him away from the idea of taking you home, but he's quite set on it. He walks with you all the way back to your house. "This is why you pay taxes, so trained people can take care of it. Don't try to be a hero."
While the police officer does let you head inside without escort, another police car rolls up and parks in front of your house not long afterwards. You've drawn the wrong kind of attention and feel fairly certain your aspirations of hunting are over.
Would you like to try again?