Commonwealth v. Montgomery

¶ 1 In this appeal, we are asked whether the collateral order doctrine permits us to review an order of the Common Pleas Court that reversed a Municipal Court order setting out specific instructions for a pretrial line-up. We conclude that the collateral order doctrine is not implicated under these circumstances and so quash the appeal as interlocutory.

¶ 2 The apparent trigger for the controversy in this pretrial appeal is a research report published by the United States Department of Justice in October 1999 and entitled “Eyewitness Evidence, A Guide for Law Enforcement” (hereinafter…