The mass shooting — one of several in the U.S. in recent days — happened at Somers House Tavern near Kenosha.
The state's protective "red flag" law didn't keep firearms out of the shooter's hands at a critical time, according to the police chief.
Assistant State Attorney James Murphy appeared to suggest that the boy, Adam Toledo, was still holding a gun as Officer Eric Stillman pulled the trigger, killing him.
Shooting suspect Brandon Scott Hole was questioned last year after his mother told police her son might attempt “suicide by cop.”
Graphic footage shows the boy had his hands up when an officer killed him on March 29, reigniting the grief police violence brings Chicagoans.
Minneapolis is on edge as a verdict in the high-profile trial regarding George Floyd's death inches closer.
Jeffrey Sabol, who allegedly disarmed a police officer during the Jan. 6 Capitol riot, was deemed a flight risk and a public danger.
As Chicago police released bodycam footage of an officer shooting a 13-year-old dead, Mayor Lori Lightfoot asked the city to remain calm and reserve judgment.
The defense rested without calling Chauvin, the former Minneapolis police officer charged with murdering George Floyd, to testify.
The 35-year-old pro-Trump protester was shot by an officer while attempting to climb through a broken glass door inside of the Capitol during the insurrection.