A jury must be given the opportunity to consider all evidence that may weigh to a death sentence.

英訳に間違いが有れば正してください。

陪審員は死刑判決に反する可能性があるすべての証拠を検討する機会を与えられなければならない。
A jury must be given the opportunity to consider all evidence that may weigh to a death sentence.

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答え
weigh toをweigh againstにする

A jury must be given the opportunity to consider all evidence that may weigh against a death sentence.

weigh against~
~に不利に働く