Its all been very quiet the past few months regarding the police invesitgation into the saga concerning the disappearance of the ‘lost’ iPhone prototype 4 that Gizmodo netted but now it seems, according to a CNET report that police are close to wrapping it up. Stephen Wagstaffe, chief deputy district attorney for San Mateo County, Calif., told CNET today that police are close to wrapping up their theft investigation and could forward their final report to his office within the next few weeks. Wagstaffe will then review the information and determine whether to file criminal charges. As part of the investigation, police interviewed a "number of Apple employees" and other…