Mayor Boris Johnson will tell the Home Affairs Select Committee later how public confidence in policing can be restored.
It comes after revelations that undercover police officers sought to smear the family of Stephen Lawrence.
Met Police Commissioner Sir Bernard Hogan-Howe will also be appearing.
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Joe Xuereb is being sought after the women were targeted in Greenwich, south-east London.
Salih Khater has been charged with the attempted murder of members of the public and the attempted murder of police officers.
The pair were reportedly still charged for the trip despite the cab crashing into the water in Cannes