State's witness not prosecuted for alleged perjury over fears he wouldn't return to Ireland

A State's witness who allegedly committed perjury during a previous murder trial was not prosecuted over concerns he would not return to Ireland, the Special Criminal Court heard. Dave Cullen, whose evidence secured convictions in the murder of dissident republican Peter Butterly, was due to testify in ongoing trials at the court. Superintendent Frank Walsh disclosed that following an earlier trial, judges had…