A Great Ormond Street porter gave toys to children he was sexually abusing that he had stolen from desperately ill children, a court has been told.
Paul Farrell abused boys for over 35 years and kept a diary to remind himself how to ‘effectively’ groom his victims.
He admitted 69 sexual assault charges against eight victims as young as five over a 35-year period, between 1985 and 2020, but is believed to have carried out thousands of sex attacks, a court heard.
Farrell, 55, did various jobs at the famous children’s hospital and lured two victims into parts of the building to which he had access.
Paul Douglass, prosecuting, told Wood Green Crown Court the number of incidents was ‘not less than 560’ with the true figure believed to be ‘in the thousands’.
Mr Douglass said Farrell also groomed entire families, often keeping notes on his phone to remind himself to send texts, buy presents and offer his babysitting services.
Recounting the abuse of some of his victims known only as F, H and G, Mr Douglass said the defendant has pleaded guilty to sexually assaulting three members of a family.
The prosecutor said: “He kept a diary in which he noted down day by day his strategy in order to keep them under his control.
“He would remind himself what presents to buy, what member of the family and when to offer his babysitting services.”
“It is clear from the evidence that the defendant effectively manipulated and groomed the whole family.”
Farrell’s diary entries read to the court said: “Tell F five week of hidden camera in your bedrooms they are very good in the dark.
“Tell F he is the nicest boy I have ever met and I have met a lot of boys.
“Give F ten pounds for letting him stay in your room.
“Take a picture of F naked and in boxers. Tell F good news I am no longer interested in you.”
Mr Douglass said: “Victim F had no suspicion.”
“It appears the defendant would take toys donated to Great Ormond Street and give them to G and H.”
A fourth member of the family known only as R has not brought any charges forward against Farrell.
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Mr Douglas said Farrell initially denied some of the offences but later admitted the string of sexual assaults.
Of the 96 sexual offences to which he has been arraigned he has pleaded guilty to 69. Some of them are multi-incident counts.
Farrell, of Church Road, Camden, north London, has admitted 69 counts of sexual abuse against eight victims, and seven counts of possessing indecent images of children.
The total number of courts to which he is to be sentenced for is 76, the additional seven counts relate to possession indecent images of children.
A further 20 charges have been left to lie on file.
The sentencing hearing continues.