www.bbc.co.uk/news/uk-england-london-53950083
'A BBC investigation has identified a series of issues relating to the case:
In 2002, a teenage girl told police that Younis had attacked her with a hammer and crowbar, after falsely imprisoning her. No further action was taken.
In 2007, 26 charges against Younis relating to two young teenage girls were discontinued after a judge directed that a jury should clear him of many of the offences following evidence from one of the victims.
In 2008, a plea agreement resulted in several charges against Younis being discontinued, including rape and sexual assault.
In 2016, Ms Szucs was placed in a safe house for victims of trafficking after she was thrown from a block of flats by a man - not Younis - who was on bail for allegedly raping her. The CPS had declined to authorise a rape charge after it was first reported in February 2015. The Met Police lost contact with her as she fell under the control of Younis.
The Met's missing person inquiry into Ms Mustafa - which started in 2018 - did not examine vital phone evidence, which would have shown contact with Younis around the time she vanished. It is now the subject of an internal Scotland Yard inquiry after her family made a series of complaints.'
Shades of Ian Huntley, John warboys and many others.
I expect 'lessons will be learned'.
The police record with previous crimes I mean FFS. Time and time again there's nothing doing until they do the worst.
I'm sick of it.