May 2016: Arthur Procter has now been released  August 2015 Pensioner jailed after sexually abusing very vulnerable adult A Blackburn man has been jailed at Preston Crown Court for 18 months after pleading guilty to a string of sexual offences against a vulnerable adult Arthur Procter, 78, of Ferrier Close admitted three charges of sexual assault by penetration. The court heard the 33-year-old victim suffers from severe brain damage and as a result has a mental age of just 13-years-old. A psychologist said she would not have the capacity to consent. The abuse took place over a 5-year period between 2009 and 2014.