The smarter ones don't wear the tatoos or the blue and white clothes. You can't go by that.
Very good points snapple.....your DC chapters are alledged to be the largest in the nation yet your post about the smarter ones is key.
The really dangerous ones can be in brooks brothers camo....
Some links I use:
http://www.knowgangs.com/gang_resources/ms/ms_001.htm
http://www.nagia.org/mara_salvatrucha.htm
http://www.indymedia.ie/newswire.php?story_id=68615
http://en.wikipedia.org/wiki/Mara_Salvatrucha_(MS,_MS-13)
http://www.policemag.com/forum/topic.asp?TOPIC_ID=1228
http://www.fiscalstudy.com/2004-global-photo/36-mara-salvatrucha-gang-in-san-salvador.php
http://www.answers.com/topic/mara-salvatrucha
http://www.stratfor.com/seo/Story.neo?storyId=238334
http://www.cbc.ca/fifth/runforyourlife/journey4.html
http://www.freerepublic.com/focus/f-news/1314357/posts