Together with the factors of different types of evidence material to see if all 3 biological evidence both sperm and spit blood on such material nearby or similar results or not.
Factors associated with the various types of material evidence. To see that the three biological evidence of blood, saliva, semen and other material. Yielded similar or similar or not.
With the study of the material evidence of various types to see that both 3 biological evidence both blood, sperm and saliva on such materials The nearby or similar?