The National Prosecuting Authority's former head of commercial crimes unit, now DA MP, Glynnis Breytenbach, has described the criminal case against her as an irritation and an inconvenience that will never stick.But she says she is looking forward to proving her innocence."I will let this run its course and co-operate any way I can ... there is only one way to prove that I am innocent. Quashing the charges will always leave some sort of suspicion that I might have done something wrong," she said.Breytenbach and her lawyer, Gerhard Wagenaar, were arrested at Pretoria Central Police Station after handing themselves in yesterday. They appeared briefly in the Pretoria Magistrate's Court on two counts of obstruction, defeating the ends of justice and four counts of contravening the NPA Act, each. They were released on R10000 bail each and the matter was postponed to March 16.The charges relate to an NPA probe in 2012 during which Breytenbach was investigated for misconduct. The NPA alleged the duo refused to hand over an official laptop. It claims Breytenbach shredded relevant papers and wiped clean her laptop while she was still the head of the unit.Breytenbach was cleared of wrongdoing in the internal proceedings."I deleted nothing on my computer that was not private and everything I deleted was on the server. It was not destroyed, it was just deleted."Breytenbach contends the charges being brought against her are a witch-hunt to distract attention from the Jiba review.Breytenbach and the DA are in the midst of a review application requesting the Cape Town High Court to set aside President Jacob Zuma's decision not to suspend and order a commission of inquiry into advocate Nomgcobo Jiba, despite calls to do so by the former National Director of Public Prosecutions, Mxolisi Nxasana.Breytenbach's fallout with the NPA dates back to April 2012 when she was suspended and subjected to a disciplinary hearing...