Can't kill process?

I am trying to kill this process:

PID USER PRI NI SIZE RSS SHARE STAT %CPU %MEM TIME COMMAND
13136 root 17 0 872 24 4 R 98.6 0.0 1219m vim

Everytime I try to kill it, it says it failed, operation not permitted..

Do I need to reboot?

Thanks,
John

 

 

 

 

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