http://news.bbc.co.uk/2/hi/americas/8412603.stm
Now, frankly, I cannot see how it can be encouraging vigilantism. These people can't do anything more than observe and report, can they?
Armchair deputies enlisted to patrol US-Mexico border
By Claire Prentice
New York
When John Spears gets home from his sales job in New York, he sits down at his computer with a bottle of beer and starts patrolling the US border.
And to do it, he does not need to stir from his sofa.
He is one of tens of thousands of people around the world who are volunteering to patrol the 1250-mile long (2000 km) stretch between Texas and Mexico via the web.
The controversial $4m (£2.5m) Texas Virtual Border Watch Programme invites civilians to log on to Blueservo.net.
There they can monitor live feeds 24/7 from 21 hidden surveillance cameras placed at intervals along the border.
Supporters see the initiative as a step forward in US efforts to curb illegal immigration, drug smuggling and border violence.
Critics say it is encouraging vigilantism and stoking anti-immigrant feeling.
Now, frankly, I cannot see how it can be encouraging vigilantism. These people can't do anything more than observe and report, can they?