This dynamics will reflect a new perception of trust assigned to the informant, or extend the set of informants by admitting the addition of new informant agents.
In this paper we propose an approach to multi-source belief revision where the trust or credibility assigned to informant agents can be revised.
In our proposal, the credibility of each informant represented as a strict partial order among informant agents, will be maintained in a repository called credibility base.
"The sole source for the assertion that [X], one, is a CSIS informant, agent, or otherwise providing information, and two, had anything to do with radicalizing Mr. Nuttall, is Mr. Nuttall, through his counsel," he said.
Rather, security agencies in the US, UK and elsewhere have made an intensive effort to get their terrorism intelligence from other sources, such as informants, agents and signals intelligence.
The discovery led sheriff's officials to realize the inmate was serving as an FBI informant, feeding agents information about conditions inside the jail as part of an investigation into claims of beatings and other widespread abuses by deputies.
An informant told agents that the priest was also an addict.
Then, on Monday, following a tip from an informant, federal agents found his body — wrapped in a tarp and wearing Italian loafers — beneath the grass outside a Long Island flooring company.
The source, described in the complaint as having an "extremely serious" felony record, soon became a paid informant, helping agents make audio and video recordings of conversations the source had with the two defendants.
A confidential informant told agents Kang was obsessed with videos depicting terrorism beheadings, suicide bombings and other violence, and he watched them in his bedroom for hours daily.
Kang watched the videos for four to five hours each weekday and more on the weekends, the informant told agents in 2016.
