During the months leading up to Asgill's death in 1823, he was the victim of fraud. "The Swindler Asgill" was touring southern England persuading his victims to send the bill for his luxury purchases to his "uncle", Sir Charles Asgill. He was never caught, but the "Southern Reporter and Cork Commercial Courier" of Saturday 13 September 1823 states: "There is good reason to believe that the real name of 'Mr Asgill' has been discovered, and that it is not altogether unknown to fame in the annals of police: but for obvious reasons, we omit it for the present". The Swindler perpetuated his lies, through his children, so that the present-day generation believed themselves to be descendants of Asgill's "disinherited son", William Charles Asgill. Even his obituary, in the "Blackburn Standard" of Wednesday 22 February 1854, declared that he was the "second son of the late Charles Asgill" – stating the latter was "of Regents Park". General Sir Charles Asgill had no legitimate children and never had an address in Regents Park.