McCartney was jailed last year for a litany of online sexual abuse.

The human leg was found on Prestwick beach in Scotland on June 10th.

The PPS in Northern Ireland also said Will Kerr will not face charges relating to an allegation of misconduct in public office.

Alexander McCartney of Newry posed as a young girl to contact youngsters before abusing and blackmailing them.

The Harry Potter author has become an outspoken critic of the Scottish Government’s stance on trans rights.