Detective Roy Kincaid:
What is this Group 1, Group 4 business?
Dr. Mike Rhodes:
Well, you see, medical science has discovered that human blood is divided into four different groups, #1 being the most rare and #4 the most common,. We must see to it that certain of these types are not mixed in the transfusion.
Detective Roy Kincaid:
Then would you say that whoever came into Rodgers' room to kill him was looking for #1 blood?
Dr. Mike Rhodes:
It's possible. That's why I think the coronor made a mistakre in his report, so do you mind if I make a test of these stains for myself?
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