Snakehead

A truck housing dozens of dead Chinese immigrants is found in southern Texas. Pathologist Dr Margaret Campbell thought she'd escaped her past by returning to the US from China; but assigned to this investigation she finds herself confronted with her former associate Detective Li Yan, dispatched to investigate the trade in illegal labourers. Forced together again by the case, they soon discover a link to a much wider threat - a biological time-bomb that links gangsters, politicians and migrants in Beijing, Washington and Texas, and puts the lives of millions at risk.