Did trump try to influence the testimony of others?

........... Nine witnesses in the criminal cases against former President Donald Trump have received significant financial benefits, including large raises from his campaign, severance packages, new jobs, and a grant of shares and cash from Trump’s media company. ............

.............. One campaign aide had his average monthly pay double, from $26,000 to $53,500. Another employee got a $2 million severance package barring him from voluntarily cooperating with law enforcement. And one of the campaign’s top officials had her daughter hired onto the campaign staff, where she is now the fourth-highest-paid employee. ...........

.............. Dan Scavino, who testified before the grand jury in the federal election interference case against Trump.
Between being subpoenaed and testifying, Scavino was appointed to the board of Trump Media and "granted a $600,000 retention bonus and a $4 million 'executive promissory note' paid in shares," ProPublic reported. ...........