we've also got quite an aged population, again, which is who they look to target, often. so it sort of just goes hand—in—hand with the sort of population type. police are increasingly worried about something they call �*courier fraud'. it begins with a call from a fraudster pretending to be a police officer or bank official, and ends with a courier collecting cash or bank cards from your home. when fraudsters called 90—year—old jean, she believed it was her bank. i was in bed and the phone rang, so i scrambled to pick it up. and a voice said to me, "have you had your debit card?" well, i had had a notice that my debit card was coming to me. i was a bit perturbed so i said, "well, no." they said, "oh, dear." "oh, dear, your card's been cancelled, in that case. "you can't use it." by chance, jean was already expecting a new card. the fraudsters told her it had been lost in the post, so they were