We've been following the saga of the extra-budget Matrix One tablet almost since its birth, and there's been mounting concerns as the company (or rather its parent, Direct Merchandise Marketing) went silent not long after reporting a customs freeze on shipments.

ENGADGET: Matrix One pins troubles on part delays and Google Wallet freeze, says refunds coming

Thus, at Heathrow, I had to make the long walk from the plane to customs.

FORBES: My 30-Hour Trip Home From Qatar

But Cambodia already has an effective tariff of zero, thanks to its long and porous borders and corrupt customs officials.

ECONOMIST: But Cambodia's WTO membership may not make much difference

Approved travelers get to use a kiosk to enter the country rather than waiting in often-long lines to get their passports stamped and go through Customs inspection.

WSJ: $100 to Fly Through the Airport

He left the customs service in 1979, at the age of 58, and entered into a four-decade long late-flowering career as an artist.

BBC: Obituary: George Wyllie

The complaints are the latest in a series of legal actions taken against U.S. Customs and Border Protection and U.S. Border Patrol from immigrant advocacy groups, who have long sought to reform the agency's conduct on the southern and northern border.

WSJ: Immigrant groups sue federal border agencies