Republican group Lasair Dhearg posted a picture on social media on Friday afternoon, appearing to show one of its supporters pouring red paint over the statue.
"Since that day I have lived in fear, shame, silence and unbearable pain that I can't fully describe," the victim said in her personal impact statement.
Campaigners will launch a fresh legal challenge over the decision taken to turn an army training centre in Crowborough into accommodation for 540 asylum seekers.
Tony Devenport, 57, strangled his victim twice in the days before her death, as well as beating her, causing significant injuries to her brain, the judge said.
The former MasterChef host was suing the broadcaster and its subsidiary BBC Studios Distribution Limited for up to £10,000 in damages over allegations they failed to disclose his personal data, which caused him "distress and harassment".