Edited sentence: In fact, U.MS-13's criminal operations sometimes cross borders into other countries.Many cars stolen by MS-13 end up on the streets of El Salvador.The group also maintains close links with its the MS-13  El Salvador w MS-13 is very violent and has attacked with such aggression that hardened gang members of rival street gangs like the Bloods have gone to the police to ask for protection.law enforcement believes that as many as 80% of the cars being driven in El Salvador may have been stolen in the U