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CSI: 3 Dimensions of Murder Hints
How do I find out whose blood it is?
1 of 6: You're pretty sure it's Carrie's, but how do you prove it?
2 of 6: There are two things you need that will help you here. One is in Michael's Apartment, and the other is in Lucy's Office.
3 of 6: When you talk to Michael in his apartment, he gives you Carrie's sunglasses. Did you examine them from all sides?
4 of 6: There's a hair stuck in the hinges. Use that in the DNA computer.
5 of 6: And for confirmation, Lucy will give you a DNA sample. Siblings have very similar DNA, right?
6 of 6: Compare Lucy's DNA to the blood on the wall to confirm that the blood is Carrie's.