The First 48: Season 12, Episode 48

12 - 48:

In Cleveland a man is gunned down defending his home on New Year's Eve. With no eyewitnesses, Det. Melvin Smith must rely on DNA evidence to track down the killers. And in Broward County, Florida, when an elderly man is found dead in his apartment, Det. John Curcio's hunt for the suspects leads to a surprising discovery.