He was, he would ruefully confess, not a good judge of character.

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That means means two things: you need to be a good judge of character, and you need to effectively monitor what they do.

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The judge explained that while Uddin was a man of exemplary character, with a good work record and regarded by his former partner as a "good man and father", he had assaulted a vulnerable young woman in front of their young son and as such had breached the trust she had placed in him.

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