How might the case of Gideon v. Wainwright affect the work of a prosecutor? Prosecutors have no need to watch out for preserving the rights guaranteed by the Sixth Amendment. Prosecutors may disallow public defenders from bringing their own witnesses to trial. Prosecutors work with the defense attorneys to ensure that the accused is indigent and has a real need for a public defender. Prosecutors need to watch the details guaranteed by the Sixth Amendment, such as ensuring a speedy trial, impartial jury, informed of accusation, etc.