Warning Signs: What Did BP Know? Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email A hand covered with crude oil points to an oiled marsh where oil has come ashore May 26, 2010 in Blind Bay, Louisiana. ( Win McNamee / Getty ) Produced by Marine Olivesi Produced by New York Times, PRI and WNYC