A particle has just entered a minuscule (and non-rotating) black hole which is at the end of its life. The black hole is getting smaller really fast as it boils away ejecting tonnes of Hawking radiation. Couldn't the particle come back out of the event horizon as the event horizon gets closer to the singularity? Wouldn't the event horizon pass the particle once more as the Schwarzschild radius diminishes? Or is it that the whole sphere would shrink uniformly so that the particle just gets closer to the singularity?
I think the space-time near the event horizon would stop being curved inwards and let the particle escape.