Collection and seizure of information
Article 24:
Search for and arrest of criminal offenders and collection of information and evidence necessary for the investigation and indictment shall be undertaken by criminal investigation officers.

Article 25:
Criminal investigation officers shall, in conducting their duties as provided for in this Law, be subject to the supervision of the Bureau of Investigation and Prosecution. This Bureau may ask the competent authority to consider any violation or omission by any such officer and may request that disciplinary action be taken against him, without prejudice to the right to initiate criminal prosecution.

Article 26:
The proceedings relating to criminal investigation shall be conducted by the following persons, each within his jurisdiction:
(1) Members of the Bureau of Investigation and Prosecution within their
jurisdiction.
(2) Directors of police and their assistants in the various provinces, counties, and districts.
(3) Public security officers, secret service officers, passport officers, intelligence officers, civil defense officers, prison directors and officers, border guard officers, special security forces officers, national guard officers and military officers, each in accordance with their specified duties with respect to crimes committed within their respective jurisdictions.
(4) Heads of counties and chiefs of districts.
(5) Captains of Saudi ships and airplanes, with respect to crimes committed on board.
(6) Heads of centers of the Bureau for the Promotion of Virtue and Prevention of Vice, with respect to matters falling within their jurisdiction.
(7) Employees and other individuals who have powers of criminal investigation pursuant to special regulations.
(8) Entities, commissions and other persons who have been assigned to conduct an investigation pursuant to the regulations.

Article 27:
Criminal investigation officers shall, each within his jurisdiction, accept notifications and complaints communicated to them with respect to all crimes, conduct the investigation, collect relevant information in the form of records that shall be signed by them, summarize and date the same in a special register, and promptly notify the Bureau of Investigation and Prosecution. The criminal investigation officers shall move to the crime scene to maintain its integrity and seize all that may be relevant to the crime, reserve evidence, and take whatever action required under the circumstances. He shall enter these matters in

Chapter IV

Search of Persons and Dwellings Article 40:
The privacy of persons, their dwellings, offices, and vehicles shall be protected. The privacy of a person protects his body, clothes, property, and belongings. The privacy of a dwelling covers any fenced area or any other place enclosed within barriers or intended to be used as a dwelling.

Article 41:
A criminal investigation officer may not enter or search any inhabited place except in the cases provided for in the laws, pursuant to a search warrant specifying the reasons for the search, issued by the Bureau of Investigation and Prosecution. However, other dwellings may be searched pursuant to a search warrant, specifying the reasons, issued by the Investigator. If the proprietor or the occupant of a dwelling refuses to allow the criminal investigation officer free access, or resists such entry, he may use all lawful means, as may be required in the circumstances, to enter that dwelling.
A dwelling may be entered in case of a request for help from within, or in case of a demolition, drowning, fire, or the like, or in hot pursuit of a perpetrator.

Article 42:
A criminal investigation officer may search the accused where it is lawful to arrest him, which may include his body, clothes, and belongings. If the accused is a female, the search shall be conducted by a female assigned by the criminal investigation officer.

Article 43:
In the case of flagrante delecto, a criminal investigation officer may search the dwelling of the accused and collect relevant items that may help determine the truth, if there is credible evidence that such items exist there.

Chapter III
Movement to the Scene, Inspection, Search, and Seizure of Items Connected with the Crime

Article 79:
When necessary, upon having been notified of a crime committed within his jurisdiction, the Investigator shall promptly move to the scene where that crime has been committed to carry out the necessary inspection before the effects of the crime have been removed, effaced, or altered.
Article 80:
Search of dwellings is an investigative act and shall not be conducted except pursuant to a statement of a person residing in the relevant dwelling, that he either committed a crime or participated therein or there was circumstantial evidence indicating that he was in possession of items relevant to that crime. The Investigator may search any place and seize any item which is likely to have been used in the commission of that crime or resulting therefrom and any other thing that may be useful in determining the truth including any document or weapon. In all cases, the Investigator shall prepare a record of that search, specifying the reasons therefor and the results thereof. However, dwellings shall not be entered or searched except as provided by law and pursuant to a search warrant issued by the Bureau of Investigation and Prosecution.

Article 81:
The Investigator may search the accused; he may also search any other person if it appears on strong grounds that he is concealing certain things that may be useful in determining the truth. Such search is subject to the provisions of Article 42 herein.

Article 82:
Seizure of mail, publications, parcels, cables, telephone conversations, and other means of communication is subject to the provisions of Articles 55-61 herein.

Article 83:
Seized items shall be handled in accordance with the provisions of Article 49 herein.

Article 84:
The Investigator may not seize any piece of paper or document that has been delivered by the accused to his representative or attorney in connection with the performance of the service entrusted to him, nor the correspondence exchanged between them in the case.

Article 85:
If the Investigator obtains evidence that a certain person is in possession of items relevant to a crime that he is investigating, the Investigator shall ask the head of the relevant department to issue an order for the delivery of such items to the Investigator to enable him to inspect these items as circumstances may warrant.