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

Article 28:
During the process of collection of evidence, the criminal investigation officer shall hear statements of those who may possess information with respect to facts and perpetrators of crimes, question any suspect, and enter the same in the relevant records. They may seek the assistance of experts, including physicians, and seek their advice in writing.

Article 33:
Where a crime is in the process of commission, the criminal investigation officer shall arrest the suspect present at the scene of the crime where there is sufficient evidence for his implication. A record of that shall be made and the Bureau of Investigation and Prosecution shall be immediately notified. In all cases, the person under arrest shall not be detained for more than twenty-four hours, except pursuant to a written order from the Investigator.
If the accused is not present, the criminal investigation officer shall issue an order for his arrest and a note to that effect shall be entered into the record.

Article 34:
The criminal investigation officer shall immediately hear the statement by the accused. If the accused fails to establish his innocence, the officer shall, within twenty-four hours, refer him, along with the record of the Investigator who shall within twenty-four hours, interrogate the accused under arrest and shall order either that the accused be detained or released.

Article 35:
In cases other than flagrante delecto, no person shall be arrested or detained except on the basis of order from the competent authority. Any such person shall be treated decently and shall not be subjected to any bodily or moral harm. He shall also be advised of the reasons of his detention and shall be entitled to communicate with any person of his choice to inform him of his arrest.

Article 36:
No person shall be detained or imprisoned except in the places designated for that purpose by Law. The administration of any prison or detention center shall not receive any person except pursuant to an order specifying the reasons and period for such imprisonment duly signed by the competent authority. The accused shall not remain in custody following the expiry of the period specified in that order

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.

Article 95:
The Investigator shall hear the statements of the witnesses called by the litigants unless he considers that their testimony would be useless. He may also hear statements from others whom he deems necessary with respect to the facts that may lead to the proof of the crime, its circumstances, and its attribution to the accused or his innocence.

Article 96:
The Investigator shall enter into the record full information about each witness, including the name of the witness, his surname, age, profession, nationality, place of residence and his relationship to the accused, the victim and the claimant of the private right of action.

Article 101:
When the accused appears for the first time for an investigation, the Investigator shall take down all his personal information and shall inform him of the offense of which he is charged. The Investigator shall record any statements the accused expresses about the accusation. The accused may be confronted with any other accused person or witness. After statements of the accused have been read to him,

Article 103:
In all cases, the Investigator may, as the case may be, summon any person to be investigated, or issue a warrant for his arrest whenever investigation circumstances warrant it.

Article 104:
Each summons shall specify the full name of the person summoned, his nationality, occupation, place of residence, date of the summons, the time and date for his appearance, name and signature of the Investigator and the official seal. In addition, the arrest warrant shall instruct the public authority officers to arrest and bring the accused promptly before the Investigator in the event he refuses to appear voluntarily. Furthermore, the detention warrant shall instruct the detention center officer to admit the accused into detention center after explaining the offense with which he is charged and the basis thereof.

Article 105:
The summons shall be communicated to the person wanted for interrogation through one of the process servers or public authority officers who shall deliver a copy of the summons to that person, if available, or to an adult member of his family, residing with him.

Article 106:
The warrant issued by the Investigator shall be valid throughout the Kingdom.

Article 107:
If the accused fails to appear without an acceptable cause after having been duly summoned, or if it is feared that he may flee, or if he is caught "flagrante delecto", the Investigator may issue a warrant for his arrest and appearance even if the incident is of such kind for which the accused should not be detained.

Article 108:
If the accused has no known place of residence, he shall specify a place acceptable to the Investigator, failing which the Investigator may issue a warrant for his detention.

Article 109:
The Investigator shall promptly interrogate the accused who has been arrested. If this is not possible, he shall be kept in a detention center pending his interrogation. The period of detention shall not exceed twenty-four hours. On expiry of that period, the detention center officer shall notify the chairman of the relevant department which shall interrogate him promptly, or issue an order for his release.

Article 110:
If the accused is arrested outside the venue of the department conducting the investigation, he shall be brought to the investigation department in the area where he was arrested. This department shall verify all the relevant personal particulars and inform the accused of the incident attributed to him. His statements in respect thereof shall be recorded. If it is found necessary that he be transferred, he shall be notified of the place of his transfer.

Article 111:
If the accused objects to his transfer, or if his health condition does not permit such transfer, the Investigator shall be informed and shall promptly issue the necessary order