PSNI has not given Police Ombudsman Peadar Heffron information
4 June 2014 Last updated at 18:35 BST
The PSNI has not handed over information requested by the Police Ombudsman about the attempted murder of one of its officers, it has emerged.
Michael Maguire is taking Chief Constable Matt Baggott to court in a bid to obtain material on 60 murders.
The BBC understands that the Ombudsman has been trying to find out if police acted on information it was given prior to a dissident republican bomb attack.
Weeks later, Constable Peadar Heffron was seriously injured in a bombing.
BBC News NI Home Affairs Correspondent Vincent Kearney reports.