Here are our editors’ picks from today’s roundup of investigative stories around the Web. Was there a story we missed? Please keep sending us your picks or include them in the comments section below.

Even the manufacturer of that pot pie you just pulled out of the oven may not be able to tell you where the ingredients came from–or vouch for their safety, the New York Times reports. An increasingly complicated and international supply chain for processed foods makes it ever more difficult to ensure food safety, leaving the onus on consumers to protect themselves.

Also, Uncle Sam is coming to your neighborhood–as a homeowner. A handful of government agencies, including Housing and Urban Development and Veterans Affairs, now own about 50,000 homes, USA Today calculated. And in this buyer’s market, the feds have already lost billions of dollars–and stand to lose billions more.