Police have arrested a 39-year-old man on suspicion of aggravated burglary following an incident on Lichfield Road in Sunderland at 5.40am on 7th May.
A woman was threatened with a knife and two men took money from her home. The woman was not injured. The man arrested has since been bailed.
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David Webster stole around £1000 a month from her pension and benefit packets until she died in January 2015.
The incident happened in the early hours of Saturday July 16 in a house in the Barnes area.
A Domestic Homicide Review is now set to be carried out after Bennett murdered his current and ex partners