There are 4 groups that go under the name Crimewave.

1) Crimewave is a rapper from Tacoma, Wa who also plays guitar in Extortionist. He formally played in Navigator and was part of tropical6doomsquad. He is a member of Boiler Boyz Entertainment.
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2) Punk band from San Francisco.
3) Hip-hop group from Bronx, NY.
4) Oi! band from Scotland. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.