Rivera was charged with ineligible possession of a firearm or ammunitionTwo more people were arrested and charged in connection to a July 18 homicide in the Frogtown neighborhood of St. Paul, Minnesota. More charges in deadly St. Paul Frogtown shootingWhat we know:The Ramsey County Attorney’s Office charged Treeheem Smith, 29, of St. Paul and Anthony Rivera, 28, of St. Paul. Smith was charged with one count of aiding an offender after a surveillance video caught him allegedly helping conceal evidence from the case. Rivera was charged with one count of ineligible possession of a firearm or ammunition after a surveillance video caught him allegedly firing a handgun. The Ramsey County Attorney’s Office has already charged the alleged shooter, 37-year-old Christopher Burke-Harris of Woodbury, with one count of second-degree murder.