The decision by a Florida jury to acquit the man accused of murdering an unarmed African American has triggered protests across the US. President Barack Obama urged Americans to respect the jury's decision.
The man who shot unarmed black teenager Trayvon Martin in 2012 will not face federal charges, the United States Justice Department says. George Zimmerman was previously acquitted of second-degree murder by a state jury.
A Florida jury has convicted a man on charges relating to an unarmed black teenager's death in a dispute over loud music. A mistrial was declared after jurors were unable to reach a verdict on the main charge of murder.
The murder trial in Montana over the killing of German exchange student Diren Dede has heard the emergency call made after the shooting. The prosecution alleges Dede was lured to his death.
The United States made plenty of headlines in 2013, ranging from fatal bombings to deadly tornados, government shutdowns and NSA leaks. But in between the doom and gloom there was also some good news.