Baby serial killer Lucy Letby, Milly Dowler's murderer Levi Bellfield - and now double murderer Marcus Osborne - are among more than 70 people serving whole life sentences. Judges reserve the penalty for only the most serious crimes - mostly murder - where the level of planning, vulnerability of victims and scale of killing is particularly high. Other criminals serving whole life terms are Rose West, Fusilier Lee Rigby's killer Michael Adebolajo, and Mark Bridger - who murdered April Jones in 2012. Here are some of the most notorious. Rose West West was given a whole life sentence in 1995...