tampering with a witness

基本解释

Under his deal with the government, which allows him to avoid a third trial on obstruction of justice and witness tampering charges, Quattrone will have to behave like a model citizen for one year, and then the charges will be dismissed.
FORBES: Frank's Back!
Moreover, Dr. Beverly L. Hall, a former Atlantic school district superintendent, has been charged with RICO conspiracy — including theft, witness tampering, and making false statements — in the doctoring of student scores on the Criterion Referenced Competency Test (CRCT) in order to earn lucrative bonuses for herself and her subordinates.
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