Answer:
False
This statement is not entirely true. While street gangs can be responsible for a significant portion of violent crimes in some US cities and suburban areas, the percentage varies greatly depending on the location. According to the National Gang Center, some cities report that street gangs account for as little as 5% of violent crimes, while others report up to 90%. Therefore, it is not accurate to make a blanket statement that street gangs account for approximately 50 to 90 percent of violent crimes in all US cities and suburban areas.