The First 48

In Miami, after a celebrating his 46th birthday with family, a man is found dead on a residential sidewalk.

In Birmingham, Detectives Jerry Williams and Chris Anderson investigate the murder of man found dead in the back of his burning pick-up truck.

Miami Sgt. Armando Aguilar and Det. Leo Tapanes are assigned the homicide case of a 20-year-old Rastafarian, shot and robbed on Christmas Day.

In Louisville, a Sudanese man who fled genocide in Darfur is shot to death while working in his clothing store.

In Minneapolis, after a night out with friends, a college student is stabbed to death while getting on his scooter to ride home.

In Minneapolis, a young man is robbed and killed while meeting up with a girl he met earlier on a bus.

In Detroit, Sgt. Gary Diaz and Officer Kelly Mullins investigate a triple shooting that left a young mother and her friend dead.

In Tucson, Det. John Dorer and his team investigate the gruesome murder of a 58-year-old woman found naked.

In Dallas, Detectives Randy Loboda and Scott Sayers are investigating the murder of a 54-year-old family man.

When Tucson Detectives John Dorer and Kathi Kelley arrive at the murder scene of a young man gunned down behind an apartment complex, their investigation is hampered.

In Dallas, Det. Rick Duggan investigates the murder of a young man shot in the backseat of his friend's car. While scouring the crime scene, Duggan finds an interesting lead--mail.

In Dallas, two teenaged boys are shot outside a nightclub--one is critically wounded, the other is left in a coma.

In Dallas, a man is found dead in a vacant lot. With no leads, witnesses or motive, lead Det. Rick Duggan and his team must put the pieces of the case together to find their killer.

In Cincinnati, Detectives Jenny Luke and Terry McGuffey investigate the murder of a 56-year-old man brutally beaten to death in the stairwell of his apartment building.

In Minneapolis, Sergeants Bruce Folkens and Chris Karakostas work against the clock to solve the murder of an unknown homeless man, bludgeoned to death.

In Memphis, Sgt. Connie Justice investigates the homicide of a man found bludgeoned to death in his apartment.