Do the plans to recruit more armed police go far enough? Danny Shaw investigates.
Did UK firms win multi-million pound oil contracts through bribes to corrupt officials?
A major investigation reveals how the world's most notorious regimes get around sanctions
Simon Cox reveals more allegations about match-fixing in tennis.
With applications rising, is the UK's asylum process reaching crisis point?
Placing children with relatives is an alternative to adoption. But does it always work?
Has a drive to increase the diagnosis of dementia and find a cure been effective?
Are relations between Sunni and Shia Muslims in the UK being strained by tensions abroad?
Could York learn from its Dutch counterpart about flood protection?
Are people damaged by vaccines being short-changed by the government?