How to Find the First Extinct Stars in the Milky Way

If we can find some really small first stars, then they might have survived the whole 13 billion years and still be around in the milky way. The problem is that they have been through a 13 billion year time line of stuff being chucked at. And so stellar archaeologists are trying to figure out what is the pollution from all these heavy elements created as the universe went along. So it really is a case of gridding up the sky, just meticulously searching for that, for that hidden treasure, as it were. It's going to take time and grit. Do you think that you'll be successful?