How to kill process(es) owned by different user?

Solution Verified - Updated -

Issue

  • Is is possible to kill process(es) owned by different users?
Example:
user A creates process xxxxx
User B executes: kill -12 process xxxxx

Result:

kill (xxxxx) : operation denied
-or-
kill: (xxxxx) - Operation not permitted

Environment

  • Red Hat Enterprise Linux [ALL]

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