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It was dark and stormy night when our young molecular biologist Steve got a phone call from local police department
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| Whi decide to kill old man at two in the morning? | |
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| You better be ready kid.Sobody killed old rick man and they all count on us to catch a killer | |
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When they got in the house , they saw the body of old man laying on the floor of library
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| We better find all the eveidence that we can tonight it seems like this is going to be a hard case | |
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| Don't you worry! If there is any blood bedides old man's, we will use DNA analysis to catch a killer | |
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Since thet start working as partners, Steve and Dr. Dex solved many murder cases using DNA fingerprinting. Dna samples is used to compare DNA samples from defendent, victim amd blood from crime scene.
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| Look Dr. Dex it looks like there some blood on the door knob | |
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| I will take this sample "A" and send it to our lab..maybe this is not old man's blood and maybe it will take us to the killer | |
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