It's no use locking the stable door after the horse has bolted

Don't lock the stable door after the horse has been stolen

If something is wrong, it is like locking the barn door after the horse is stolen, ... But we are still going to pursue it. I want to know what they bought with the money.

It's a little bit like shutting the door after the horse has bolted. It [the new approach] sounds like what should have been around in 97,

The horse has already bolted.

Closing the barn door after the horse escapes