<prompt> Translate the following text to EnglishNi lengo la kuwa na utangulizi kwa upelelezi wa uhalifu kuhusu masuala ya ushahidi wa elektroniki na kama msaada kwa upelelezi katika kuendeleza mikakati ya msingi ya upelelezi.  <response>: It is intended both as an introduction for the criminal investigator concerning issues of electronic evidence and as an aid for the investigator in developing basic investigative strategies. 