Registering handguns serves no crime-fighting purpose. It only makes life more difficult for gunowners who seek only to protect themselves and their families.
Most violent criminals obtain their guns on the black market.
Obviously, criminals will not register their guns. For this reason, even if a firearm is recovered from a crime scene, it cannot be traced back to the criminal. There is an even bigger problem with registering handguns. Based on past events, few gun owners today will comply with such laws. In years past, New York City and Washington D.C. required all residents to register their handguns.