14/03/2015 GMT

The team travels to Tacoma to look at the struggles of the Hilltop neighbourhood - and how a glassblowing arts project has helped troubled youth. They investigate the huge immigration detention centre in the city that houses 1,500 illegals awaiting deportation. Plus, they discover Tacoma's Chinese community, the lunar new year celebrations and how the city still remembers the dark time when the Chinese were driven out more than a century ago.