Section 121

A police officer making a police investigation under this Chapter may examine orally any person supposed to be acquainted with the facts and circumstances of the case and shall reduce into writing any statement made by the person so examined.

Such person shall be bound to state truly the facts and circumstances with which he is acquainted concerning the case except only that he may decline to make with regard to any fact or circumstance a statement which would have a tendency to expose him to a criminal charge or to a penalty or forfeiture.

A statement made by any person under this section shall be read over to him and shall, after correction if necessary, be signed by him.[120