  We show that the Zinc doping induced STM resonance in high-Tc cuprates is a
zero mode - a d-wave monomer confined in the opposite sublattice of the Zinc
site. We propose that the resonance come from the superconducting peak around
$(\pi,0) $ as observed in ARPES experiments. It is predicted that the resonance
should vanish in single layer $BSCCO_{2201}$ or in the vortex core of
underdoped cuprate where the ARPES peak is absent. We argue that the STM result
imply the ARPES peak around $(\pi,0) $ is the only coherent feature in the
whole Brillouin zone.
