Mugger who left dog-walker fighting for his life locked up for 13 years

  A mugger who left a dog-walker fighting for his life after stabbing him in the head with a screwdriver was jailed for 13 years today (fri). Jermaine McDonald, 26, jumped off his bicycle and launched a vicious unprovoked attack on Italian furniture designer Sinuhe Pianella, 31, in Dulwich Park, south London, on 27 April. Mr Pianella had been out taking his Spaniel Puppy Pinot for walk and stopped to sit on the grass to chat with Marilena Stracke when…