Leeds at Stamford Bridge, to reach the quarterfinals. Well have all the results. And on newsnight at 10 30. Well go deeper behind todays headlines and speak live to key players in todays big stories. Plus, a first look at tomorrows front pages. Good evening. Police scotland have apologised forfailings in a long Running Investigation that left a killer on the loose for almost 20 years. The hunt for the murderer of emma caldwell, who was 27 when she was strangled in South Lanarkshire in 2005, was one of the longest in scottish history. Today, iain packer, whos 51, was found guilty of her murder and jailed for life with a minimum of 36 years. He was also convicted of 11 charges of rape and multiple sexual assaults, against 21 other women, making him one of scotlands most prolific sex offenders. Lorna gordon has our top story. Emma caldwell, a vulnerable young woman who was murdered in terrifying circumstances. Her killer was this man, iain packer, who for a quarter of a century carried ou