Andrew Dawson is a convicted serial killer whose crimes are being examined in ITV's Tracking a Serial Killer tonight. Dawson murdered three people in the UK, dubbing himself the "Angel of Mercy ...

STABBED 22 times and left to decompose in bleached water, the so-called ‘Angel of Mercy’ spared his vulnerable victims no ...

In 2010, Andrew Dawson, then 48, killed his neighbours Paul Hancock, 58, and John David Matthews, 66, in their flats in Derby, an inquest heard. The two men were both found with multiple stab ...