It is alleged that the former MP, Margaret Moran, who stood down at the last election, "flipped" her designated second home, making claims for properties in London, Luton and Southampton.
One of the 21 charges she is facing relates to a claim for £22,500 to treat dry rot at her Southampton home.
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"All it takes is for somebody to see me - and I could just die, just like that. I could want to go to the shop and not come home."
Before the killing, Peters searched the internet for "serial killers", "treatment of child killers in prison" and "premeditated murder".
Arriva Rail North, Greater Anglia and South Western Railway are all affected.