A 96-year-old woman was followed around St Albans for more than an hour before cash was stolen from her shopping trolley.
Police have released a CCTV image in connection with the theft on Wednesday (February 9).
After being followed the victim eventually had her money stolen as she was using a coffee machine at the Waterend Barn pub in St Peter’s Street.
PC Toby George, who is investigating, said: “This is an extremely upsetting offence, as the offender deliberately targeted a victim who was clearly vulnerable.
“We’d like to speak with the person pictured as we believe they were in the area around the time of the offence and may have vital information to assist our investigation.
“If this is you, or you recognise them, please contact us.”
Anyone with information is asked to email toby.george@herts.police.uk or call 101 quoting reference 41/11108/22.
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