Four people have been charged in connection with a stabbing in Stoneham, Massachusetts, after a 10-month investigation. The gun was later determined to be an Airsoft pistol. Miranda and Lopez are both facing charges including armed and masked robbery, assault, conspiracy and obstruction of justice. The 17-year-old male, from Stoneham, was charged with assault and battery and destroying or concealing evidence. The other Stoneham teen was arraigned in Lowell Juvenile Court on a conspiracy to commit armed robbery charge.