The Independent Police Complaints Commission (IPCC) is trying to reassure lawyers for the family of Jean Charles de Menezes that the inquiry is still on track.
The IPCC advocates for families.
The IPCC was set up to receive complaints about police matters, and if they are trying to reassure a family that the inquiry is still on track it means they received a complaint and they are serving as an advocate for that family.
( z1 advocate :ARG0 ( z2 organization :name ( z3 name :op "IPCC" ) ) :ARG1 ( z4 family ) )