jurors who might show affinity to the defendant. However, in the United States, if either party excludes a minority group member and the other party challenges, under Batson rules the party exercising the peremptory strike must provide a race-neutral reason for the exclusion (later extended by court rulings to gender-neutral reasons as well). Parties have been known to peremptorily strike jurors based on personal characteristics that wouldn't justify a strike for cause, but which they believe makes the juror less likely to be sympathetic to their side. In some jurisdictions, attorneys also have the right to make a challenge for cause argument to the judge. This is an argument over whether a juror's particular background or beliefs make them biased and therefore unsuitable for service on the jury. United States In the United States the process of voir dire is often much more in-depth than in other countries and its practical implementation is somewhat controversial because of this. The amount of privacy that the potential jurors are afforded when asked questions raises the issue of the definition of "impartial jury". Some people are skeptical as to whether the intensive questioning of potential jurors looks not just for inherent bias but for a potential to be emotionally swayed. On the other hand, proponents argue that this method gives both sides more confidence in the verdict. Canada Part XX of the Criminal Code of Canada allows for a jury in a Canadian murder trial to consist of twelve jurors. However, a minimum of ten jurors and a maximum of 14 jurors may hear the evidence a trial. At the end of the trial, a maximum of twelve jurors and minimum of ten jurors may deliberate. Section 631(2.2) as well as section 643 of the Criminal Code specify that a jury may consist of either 12, 13 or 14 members, however, 12 is most common. Section 631(2.2) allows a judge to order that 13 or 14 jurors be sworn in under certain circumstances. Jurors may also be excused during trial. According to section 644(1) of the Criminal Code, a judge may discharge any juror during the trial due to illness or “other reasonable cause” such as impartiality (see R v Tsouma (1973) and R v Holcomb (1973)). Section 644(2) further specifies that a jury is still properly constituted to complete its duties even if a juror is discharged during the trial as long