In the U. s., electronic evidence has become a kind of important evidence in lawsuits, and the function of forensic computer science is becoming increasingly obvious.

在美国，电子证据已成为重要的诉讼证据，法庭计算机科学的作用日益凸显。

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He does not contest that he sent the letters to three forensic science laboratories, a computer company, an accountancy firm, the DVLA and a residential address, but denies intending to cause injury.

BBC: NEWS | UK | Bombs sent 'in protest at state'