This tiny spot of blood was enough to bring a brazen burglar to justice after he caused more than £5,000 of damage during a break-in.
Grant Eggleston accidentally cut himself as he broke into a home in Wearside and stole the boiler and copper piping.
The 47-year-old pulled sinks and taps from the wall, tore up carpets and floorboards, and left a trail of destruction inside the Houghton address just days before new tenants were due to move in.
