Sean Grayson was sentenced to 20 years in prison.
Police said they believe there were at least three shooters: a 15-year-old, an acquaintance who died at the scene and "at least one other unknown suspect."
Am American accused of killing his pregnant wife remains in Italy after a court temporarily paused his extradition over concerns about sentencing, according to his attorney.
The body of a 58-year-old woman has been recovered after a boat capsized and sank near Alcatraz Island in San Francisco Bay.
Minnesota prosecutors have obtained key evidence in their investigations into the fatal shootings of Renee Good and Alex Pretti.