"This is slaughter in the streets," Stephen McLaughlin says softly, his words hanging in the bitter Minnesota air as he pays his respects to Alex Pretti, the intensive care nurse shot dead by federal border agents on Saturday. (Pics/AFP)

At least 28 weather-related deaths were reported as a massive winter storm dumped snow across dozens of US states over the weekend, causing widespread power outages, flight cancellations and school closures. (Pics/AFP)