Ability to: identify livestock, brands or other identifying marks; identify plants and plant diseases; recognize common pests, noxious weeds and chemicals used in agriculture; write clear, concise, accurate and effective investigative reports; recognize emergency and/or dangerous situations affecting public safety and respond appropriately; provide testimony in court proceedings; accurately complete required forms and documents; work effectively and cooperatively with resource agencies; interact with the public in a professional and courteous manner; enforce laws and regulations and perform law enforcement duties as required by the assignment; respond appropriately to situations involving argumentative and/or combative individuals; provide supervision and training to assigned staff; and all knowledge, skills, and abilities required at the lower level. Investigate suspected violations of law in the performance of statutorily recognized authority; receive, respond, and investigate citizen complaints regarding possible crimes; observe and interview witnesses, suspects, and informants; serve warrants and subpoenas; document, collect and preserve physical evidence; perform necropsy procedures on animal remains; track violators and livestock; take photographs and impressions of tracks and/or footprints; document information for reference and intelligence files; coordinate efforts with local law enforcement agencies and prosecutors; prepare investigative reports and testify in court; ensure compliance with federal and State animal health and disease traceability requirements.