Who carries out investigation for election-related criminal offenses?

Latvia

Answer

Public prosecutor

Source

Criminal ProcedureLaw (as of 2010, in English)

Source: http://www.knab.gov.lv/uploads/eng/criminal_procedure_law.pdf

Section36.(1) A public prosecutor in criminal proceedings shall realise investigationsupervision, investigation, criminal prosecution, the maintenance of Stateprosecution and other functions specified in this Law.

(2) A public prosecutor shall decide, in thecases specified by law, the question regarding the commencement of criminalproceedings, and shall conduct investigations him or herself.