Marcia Collins, the sister of Sean Riggs told Daybreak that she is happy that the IPCC has apologised to her family.
Last year an inquest into Sean Rigg's death found that officers had used "unsuitable force" when he died in Brixton police station in 2008.
Marcia said: "It's been a long struggle, we shouldn't have had wait five years to get to this stage."
More top news
A woman who attempted to get her idol's full pout was left with hugely swollen lips when her plan went horribly wrong.
All would-be MPs should be forced to tell voters what paid jobs they have and whether they would keep them if elected, Lord Bew has said.
A Para who won the Victoria Cross gave up his military history studies just weeks into the course as he wanted to be a part of it instead.