  The possibility of a frame-induced violation of Lorentz invariance due to
non-inertial spin-1/2 particle motion is explored in detail for muon decay
while in orbit near the event horizon of a microscopic Kerr black hole. It is
explicitly shown that kinematic and curvature contributions to the muon's decay
spectrum--in the absence of any unforeseen processes due to quantum
gravity--lead to its stabilization at the muon's Compton wavelength scale. This
example is emblematic of the search for unambiguous indicators to critically
assess current and future approaches to quantum gravity research.
