The sketch can done while a witness is under hypnosis the sketch a molding of a face of and their bone structure can be sculpted with a sketch the sketch can be divided into many seesins the sketch can be checked against known offenders and a compute simulation can be used in place or beside a sketch they securely handle and process evidence and run lab test for presence of conduits intoxicants and poisons they run cpr genetic profiling they check for dna matches on collected dna samples of offenders they consult with crime scene investigation they can be called to testify as an expert witness in criminal prosecution and they can utilize the power of attorney privilege