Four Venezuelan men have been arrested and indicted in connection with a violent jewelry store robbery that occurred in June in Denver, according to federal officials. The suspects were charged following an investigation into the incident, which involved the theft of jewelry from the store. Additionally, three men have been charged in a separate robbery that took place in December at a jewelry store in Lawrence. The ongoing investigations highlight a trend of violent robberies targeting jewelry stores in various locations, including a recent armed robbery in Philadelphia where approximately $100,000 was stolen.