Martha Giles was found dead in hospital grounds in 1959 but papers related to the case are sealed.
Martha Giles, a nurse, was murdered on 12 February 1959 near Wolverhampton's New Cross Hospital.
Jacqueline Brown will contest the Stone, Great Wyrley and Penkridge constituency at the election.
The South Staffordshire MP said he felt scared after being followed by Simon Parry in London.
Simon Parry "persistently followed" the Staffordshire MP on two occasions earlier this year, his trial hears.
The former cabinet minister says he regrets using inappropriate language in texts sent to Wendy Morton.
An inquiry finds Tory MP Sir Gavin bullied former chief whip Wendy Morton in texts about the Queen's funeral.
The former minister is chosen as the Conservative candidate for Stone, Great Wyrley and Penkridge.
Simon Parry "persistently followed" the MP on two occasions, Westminster Magistrates' Court hears.
