"George Zimmerman, who shot dead unarmed black teenager Trayvon Martin in 2012, is suing his family, their attorney, the US state and others for around $100m (£77m).
"The neighbourhood watch volunteer was cleared of the 17-year-old's murder in one of Florida's most-high profile criminal cases.
"US law allowed him to say he shot Trayvon in self-defence, but the teenager's family and friends always insisted it was murder.
"The lawsuit claims the Martin family and lawyers used a fake witness against George Zimmerman."
Full report at the BBC: https://www.bbc.co.uk/news/newsbeat-50671843
And at CBS Miami: https://miami.cbslocal.com/video/4228681-george-zimmerman-suing-trayvon-martins-family/