How Safe Is Your House?

Episode 4 (1x4)

Air date: Jul 13, 2015

Mark Clemmit and Mark Millar are on the trail of a builder who turned a semi in Swansea into a lethal building site. Angellica Bell joins an investigation targeting a criminal bringing dangerous medicines into homes all over the country. And the spotlight is shone on a common danger lurking in our homes, linked to increasing the risk of developing respiratory illnesses.