38 CRIMINAL JUSTICE Winter 2008 Equipment, Hearsay, and Authentication We live in a world of computers, machines, and technology. These devices perform tasks that individuals used to perform and do some things that are beyond the capacity of human beings. When we rely on the output of these devices at trial, interesting and tricky legal issues can arise. One case that illustrates this well is United States v. Washington, 498 F.3d 225 (4th Cir. 2007). The arrest Dwonne Washington was driving on...