Answer:
Kristohper is trying o identify the genotypical utcome otf the parents of the victim.
Step-by-step explanation:
Punnett Square is a research tool to discover allele or genetic combination of recessive and predominant genes. In this case, he needs to identify the genotypical origin of the parents to make a profile and start deploying his associations. It is a very good tool in these cases because it can lead to a lot of valuable research, in security labs it is very common to start theories with the most solid data we have in our victim's background to start mapping the causes and triggers.