7. An apparatus comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the processor, cause the apparatus to: provide for categorization of a plurality of knowledge elements into a plurality of issue categories to produce a plurality of categorized knowledge elements, the knowledge elements each comprising a text drafted by one or more users and derived by the one or more users from one or more source materials; provide for association of the one or more source materials and the knowledge elements with one of one or more investigative matters; provide an editor configured for drafting of an editable narrative by the one or more users relating to the one of the investigative matters based at least in part on the categorized knowledge elements; provide access to the categorized knowledge elements associated with the one of the investigative matters during drafting of the editable narrative by the one or more users via a hopper in which the knowledge elements are organized by the issue categories, the hopper being positioned adjacent the editor such that the knowledge elements are simultaneously viewable with the editor and the editable narrative included therein; provide for confirmation and questioning of the knowledge elements; provide for selection of a plurality of incorporation buttons within the hopper, each of the incorporation buttons being respectively associated with one of the knowledge elements, each of the incorporation buttons being configured to insert the text of the one of the knowledge elements associated therewith into the editable narrative; provide for adding a link to a portion of the editable narrative drafted by the one or more users, the link linking to one or more of the knowledge elements the portion is based upon; and output the one or more knowledge elements upon selection of the portion of the editable narrative that is linked thereto.
7. An apparatus comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the processor, cause the apparatus to: provide for categorization of a plurality of knowledge elements into a plurality of issue categories to produce a plurality of categorized knowledge elements, the knowledge elements each comprising a text drafted by one or more users and derived by the one or more users from one or more source materials; provide for association of the one or more source materials and the knowledge elements with one of one or more investigative matters; provide an editor configured for drafting of an editable narrative by the one or more users relating to the one of the investigative matters based at least in part on the categorized knowledge elements; provide access to the categorized knowledge elements associated with the one of the investigative matters during drafting of the editable narrative by the one or more users via a hopper in which the knowledge elements are organized by the issue categories, the hopper being positioned adjacent the editor such that the knowledge elements are simultaneously viewable with the editor and the editable narrative included therein; provide for confirmation and questioning of the knowledge elements; provide for selection of a plurality of incorporation buttons within the hopper, each of the incorporation buttons being respectively associated with one of the knowledge elements, each of the incorporation buttons being configured to insert the text of the one of the knowledge elements associated therewith into the editable narrative; provide for adding a link to a portion of the editable narrative drafted by the one or more users, the link linking to one or more of the knowledge elements the portion is based upon; and output the one or more knowledge elements upon selection of the portion of the editable narrative that is linked thereto. 8. The apparatus of claim 7 , further configured to provide for selection of the issue categories from a predefined list.