The notice was serviced after an investigation by the Southern Health and Social Care Trust into suspected financial abuse of six residents' money.
In the blog, Mr Joyce seeks to correct newspaper reports about the alleged incident at the Sports and Social bar at Westminster on Thursday and the police investigation on Friday.
Other items that he wrote, well before the Boston bombings, on the social media site may offer more details pertinent to the investigation.
The social workers were sacked after an investigation, which found there was a period in mid-2007 when they did not know where the child was.
BBC: Baby P social workers lose court appeal against sacking
The ubiquity of social media had its unsettling effect on law enforcement agencies during the investigation.
WSJ: Michael Chertoff and Dallas Lawrence: Investigating Terror in the Age of Twitter
Councillors met on Thursday night to discuss the joint review, which followed a three-month investigation into Cardiff Council by the audit commission and social service inspectorate.
Park officials declined to comment further on the investigation, or reveal which social-media outlets were used.
U.S. Senator Peter King re-introduced a bill on Tuesday that would make it easier to prosecute Julian Assange, and the U.S. Department of Justice is seeking the social media records of several WikiLeaks associates in what appears to be an investigation of the group.
Police said they would be checking Christina's profiles on social media websites as part of the investigation, but there was nothing to suggest she was being targeted.
The Independent Police Complaints Commission (IPCC) has begun an investigation into how police dealt with anti-social behaviour at the flats in the lead-up to the attack.
The Care and Social Services Inspectorate for Wales (CSSIW) said it worked closely with Gwent Police during the investigation.
At least 17 people have now been arrested as part of the investigation into comments made about the victim on social networking sites.
Early Friday morning, some Boston-area residents began sharing details of the investigation they gathered by listening to police scanners on social media.
WSJ: Michael Chertoff and Dallas Lawrence: Investigating Terror in the Age of Twitter
The social network then launched what it called a "significant" investigation, working with other companies it believed to have been affected, as well as with law enforcement authorities.
It is understood an investigation took place into the nurse which involved the police, while Scottish Borders Council's social work department was made aware of the issue.
John Nieves, a spokesman for the county Social Services department, said privacy laws prevent him from commenting on whether there had ever been any investigation of the Knowles household, and if so, what the outcome may have been.
"The investigation is ongoing, and it includes all aspects of the case, including evidence put out in social media, " Tierney said.
Social services requested Mr Robinson did not have unsupervised access with his child and the police took his laptop away for investigation.
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