"Netbanging": Street gangs are now establishing an internet presence, both for recruiting as well as for scheduling fights with other street gangs.

But the Web has also given rival gangs a new, less violent way to settle scores -- flooding each other's sites with junk e-mail. Stalker says he spends hours every week deleting threatening or insulting messages from other gangs from his Web site. Not even a gangster is safe from spam.