The First 48 presents: Homicide Squad Atlanta

A rookie detective struggles to unravel the mystery of a teenager found naked and shot to death in a city park; the case captures the hearts of the public; when the victim's car is discovered miles away, the mystery deepens.

The Fallen Angel investigation takes homicide detectives back to the scene of the crime; as they sweep the city park for evidence, they discover a surveillance camera with vital footage of the victim's car at the time of her murder.

After an intense interrogation, a suspect confesses to brutally murdering Misha Moore over $8; DNA results on the Fallen Angel rape kit match the soda bottle bought by the woman seen in surveillance video.

New leads emerge in the Fallen Angel case; in the heart of Atlanta's wealthiest neighborhood, a man is brutally beaten and shot to death.

On the one-year anniversary of Bridget Shiel's brutal murder, Lowe organizes a vigil and canvass to try and generate new leads and give her family some resolution; Detective Zimbrick gets a DNA match on a 16-year-old cold case.

A DNA hit in the Bridget Shiel murder investigation identifies a compelling new suspect who was recently imprisoned for a double homicide; Benton investigates the death of a young man who was shot and killed while selling water on a hot summer day.