1. Whether the Fourth Amendment permits the government to seize cell phones under a warrant imposing a 120-day search deadline, take no steps to initiate a search for more than 200 days, and obtain an extension of time without disclosing to the magistrate that no review had begun.

2. Whether probable cause exists to search a residence for evidence of identity fraud based on a single, undated use of another person's identifying information on a rental application, where the alleged victim was never contacted and the nexus between the offense and the premises rests solely on generalized training-and-experience testimony.

Whether the Fourth Amendment permits the government to seize cell phones under a warrant imposing a 120-day search deadline, take no steps to initiate a search for more than 200 days, and obtain an extension of time without disclosing to the magistrate that no review had begun, and whether probable cause exists to search a residence for evidence of identity fraud based on a single, undated use of another person's identifying information on a rental application