After the first state witness gives evidence-in-chief, the magistrate, M requests the for the witness to be to cross-examined. P who led the evidence-in-chief of the same witness, stands up to start cross-examination. Provide a brief explanation of the process of cross-examination with specific reference to

i. the party who can/ must conduct cross-examination

ii. the purpose of cross-examination; and

iii. whether, in the facts set out above, cross-examination by P is, indeed, possible and/ or permissible.