Your pretrial investigation kit should include the following:- carrying case- 50 ' retractable coiled measuring tap- portable high quality tape recorder, & extra tapes [Consider buying a digital recorder.]- Polaroid camera and extra Polaroid film- digital SLR camera (1 - Consumer Reports 2008), (2), (3), (4), (5), (6 - great info re buying and using digital cameras and other electronics, as well a