‘Is the conviction sound? No’: lawyer vows to prove Michael Stone’s innocence

Exclusive: Mark McDonald believes Russell murders case will turn out to be a serious miscarriage of justice

He rings me every day, we talk every day," says Mark McDonald, the barrister who for the past two decades has represented Michael Stone, the man convicted of one of the most notorious crimes in British history: the murders by hammer of Dr Lin Russell and her daughter Megan, and the attempted murder of her eldest child, Josie, the sole survivor.

Sat at a table in a sparsely decorated office in his chambers off London's Chancery Lane, McDonald reaches past a pile of papers for a phone to check his call records.