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US immigration agencies read visa applicant's social media
(www.theregister.com)
This is a most excellent place for technology news and articles.
Everyone would be mad if they didn't do this and they let someone immigrate that ended up doing something dumb---only to find out they'd be posting about it on their Facebook page for years.
Im fairly certain there was an incident with a french dude who posted a bunch of pro ISIS stuff on Facebook and ended up doing something violent, but I only find articles about ISIS using Facebook to target young people for recruitment.
If they're fine with mass shooting #837292, then they can put up with this