education (33) Pennsylvania and New York aircrash

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Me: Ok
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One day of 2004, Kelvin undertake a professor's obligation. 
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Kelvin: My dearest student. During this lecture, I use electrical cables nearby the house of John as an example. Now, I hack the power plant of Hong Kong. I let those cable burn. How do you feel about this lecture ?
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Daniel (a student): It's very educational and deityless.
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Bradley : Kill those students,  e.g., Daniel. 
Kelvin : Please.  Daniel is a stupid student.  He can't learn any hacking techniques from me. 
Bradley : I don't care.  Kill him still. 
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Miuson: You told Bradley that Miuson is a stupid student.  He can't learn any hacking techniques from you. 
Kelvin : That's the only way I save him. 
Miuson look at the sky and take a deep sigh and say, 
Miuson : I killed 250 people in Pennsylvania and New York.  Why ? I warned Bradley, "Don't touch Kelvin's students, e.g., Daniel.  They are under my shelter. ".