Yea, MS 13 is a gang created by the kids of salvadorian immigrants. Kids heavily influenced by heavy metal music and then later by LA gang culture. They didn’t enter the country as MS 13. LA gang culture was a foreign idea and culture to El Salvador at that time before it got exported over there. Like all major LA gangs, they eventually spread and recruited around the country. But with more media attention because unlike most gangs, they recruit illegal immigrant kids, and they’re still around while the bigger more notorious gangs have passed their prime.