The defendants were partners at the relevant time. They were convicted of the murder of SS’s stepfather and preventing the lawful and decent burial of his body. SS ultimately admitted to an undercover police officer that she and JS had murdered her stepfather. They were both convicted.
Catherine was led by Bill Emlyn Jones KC for the prosecution.
News reports here:
https://www.bbc.co.uk/news/uk-england-london-67349145
https://www.times-series.co.uk/news/23908419.highbury-woman-boyfriend-guilty-murdering-missing-man/