11. In 1996 Prosecutor General Mykhailo Potebenko had stated there were no grounds to open a case . 12. The prosecutor declined to open a case . 13. Police ruled it a prank and said they may open a case against the Maariv worker allegedly responsible. 14. Police ruled it a prank and said they may open a case against the Maariv worker allegedly involved. 15. "There was nothing there that we could use for investigative purposes to open a case , " he said. 16. "Nobody knows I'm bringing this, " he said, cracking open a case that held a silver pocket trumpet. 17. The National Court will study the suit over the coming months and decide whether to open a case . 18. Guatemala's public prosecutor's office must now decide whether there is sufficient evidence to open a case against Alpirez. 19. However, they added, Ashcroft will not hesitate to open a case if he decides that the facts warrant it. 20. Finally, the Commission opens a case in the Luxembourg-based European Court of Justice, which enforces EU laws and treaties.