are you trying to be funny. it sounds to me like you're saying the police could not i.d. the sex because of the black box on the victim.
(no pun intended)
Uh,...really confused? Black box? English a little off or some incoherent babble? Fire cracker? What is the vroooom thing pointed to and what burnt who here,where? I need a nap my mind just got fucked.: facepalm