The first experiments were carried out by Dr Preston McLendon.

最初的实验是普雷斯顿·麦克伦登博士做的。

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Alina Knowles, a witness who said she rescued a child from one of the scenes of the violence, said McLendon was sweet and police.

一个目击者阿里娜诺勒斯说她从暴力犯罪中救了一个孩子，她说麦克兰登很友好很有正义感。

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Police said McLendon had briefly been employed as a Samson, Alabama police officer in 2003 but flunked out of the training course.

2003年的时候在阿拉巴马森孙警察局工作过一段时间，不过后来因为训练课程不及格而离开。

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Gunfire is nothing unusual in rural southern Alabama, said Kenneth Smith, a neighbor of McLendon's.

CNN: Determination trumps fear in wake of Alabama rampage

Authorities identified the shooter as Michael McLendon, 28, of Kinston, Alabama, in Coffee County.

CNN: Gunman in Alabama slayings was briefly a police officer

McLendon seemed to be "a cool guy, " former high school classmate Cecil Knowles told the Dothan Eagle newspaper.

CNN: Determination trumps fear in wake of Alabama rampage