Under Article 47octies, §1 of the Code of Criminal Investigation Code,
Infiltration is the act, by a police official, known as an undercover agent, of maintaining long-standing relationships with one or several persons with regard to whom there are serious indications that they are committing or are going to commit - within the framework of a criminal organisation, as defined in Article 324bis of the Criminal Code - -offences referred to in Article 90ter, §§2 to 4 of the CIC. This article includes the following offences :
- attempt on or conspiracy against the King, the royal family or the government;
- serious violations of international humanitarian law;
- terrorism;
- computer
-related crime;
- corruption;
- interception and recording of private (tele-)communications;
- offences concerning the secrecy of private (tele-)communications;
- serious threats;
- hostage taking;
- illicit sexual acts or abuse;
- murder;
- kidnapping of minors;
- trafficking in human beings;
- serious forms of theft;
- robbery with murder;
- offences concerning nuclear material;
- counterfeiting or falsification;
- certain forms of arson and explosion;
- illicit trade in narcotic drugs;
- abuse of telecommunication;
- illicit trafficking in weapons;
- smuggling of human beings;
- illicit trafficking in hormonal substances.
The attempt to commit the above-mentioned offences may also justify a measure.