Man convicted of murder of teenage actor who starred in new `` Harry Potter '' film . He told the Daily Telegraph last month : `` By carrying a knife you are not only endangering the lives of others , but you are more likely to be killed , or end up in jail . ` Karl Bishop , 22 , attacked Rob Knox with 2 knives in southeast London last May . He was sentenced to life imprisonment on Friday after a jury found him guilty of murdering the teenager and seriously injuring his friend.
Man convicted of murder of teenage actor who starred in new `` Harry Potter '' film . Karl Bishop , 22 , attacked Rob Knox with 2 knives in southeast London last May . He was sentenced to life imprisonment on Friday after a jury found him guilty of murdering the teenager and seriously injuring his friend.