A homeless man who attacked and killed a Good Samaritan and her son, after she helped him get on his feet, has admitted murder.

Aaron Barley, 23, stabbed to death mother of two, Tracey Wilkinson, 50, and her 13-year-old son, Pierce, and left her husband, Peter, critically injured.

Barley, of no fixed abode, had been offered sanctuary by Mrs Wilkinson after she found him shivering and begging outside her local supermarket in March 2016.

Over the following months she helped him get a place in a hostel and fed him regularly at the family home in Stourbridge.