In the shadows? Seems to me they are front and center at many mob scenes destroying property and attacking people while waving the flag of THEIR country!
it’s not hard to find illegals. city police departments know exactly where they are, but are prohibited from doing anything about them until they commit OTHER crimes.
http://www.judicialwatch.org/blog/2009/01/illegal-immigrant-gangs-commit-most-u-s-crime/