. . . Aaron De Silva, 21, stabbed Joseph Griffiths, 73, 22 times after breaking into his house . . .
. . . De Silva has 31 previous convictions, including robbery, assault, burglary and carrying a knife. . . .
. . . London Chief Crown Prosecutor Baljit Ubhey said: "This was an unprovoked and violent attack by Aaron De Silva on a man more than 50 years his senior who was trying to protect his home and his . . . Read more