The most likely is that the killer was merely a deranged and isolated individual.

其中可能性最大的一个传言是杀手仅仅是一个被孤立的精神失常者。

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An energetic and plain-speaking woman who gives the impression of being untroubled by self-doubt, Holt has little time for the idea that Breivik was just a deranged loner who came out of nowhere.

霍尔特是一个精力旺盛而且直率的女人，她不怀疑自己，她毫不怀疑布莱·维克就是一个毫无前途的神经错乱的孤独者。

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Once, when the front door was accidentally left unlocked, a deranged but harmless woman got halfway up the stairs to our living quarters before the troopers caught her as she was calling out to me.

有一次，官邸的前门碰巧没有锁，一个精神失常但是没有恶意的女子走上了楼梯，朝我们的起居区走来。就在她大声叫唤我的时候，州警们抓住了她。

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Martin Luther King is stabbed by a deranged woman during a book signing on 125th St. in Harlem.

CNN: On this day in history ...

That said, Garland was able to transform from a somewhat deranged individual into a concert artist who was a magnet for millions, literally in a matter of minutes.

FORBES: Should A Legend Be Challenged?

Recently, a deranged narcissistic psychopath from Norway committed a horrible crime.

CENTERFORSECURITYPOLICY: Center For Security Policy