in low self-esteem and self-loathing.

缺乏自信及自我厌恶
By punishing others, the unsub may also be punishing himself.

嫌犯惩罚别人其实也是惩罚自己
He's also literally branding his victims.

他还给被害人打上了烙印
We're not sure why, but he's likely marking them as his own.

虽然不知道原因但他很可能以此宣示所有权
His organizational skills suggest someone

他的组织能力表明
who can get and keep a full-time job.

此人有能力获得并维持全职工作
But the work is likely low level.

但很可能是低端工作
His impaired social development

他社交能力的不足
would not allow him to move very far in the professional world.

使他无法在职业道路上走得更远
Consequently, this is someone

因此此人
most comfortable working in solitude,

最适宜需要独处的工作
having minimal interaction with others.

与他人保持最低限度的接触