After a 30-year career which saw her rise to the top of the Aurora Illinois Police Department, former chief Kristen Ziman retired in 2021 and found herself facing a difficult transition; 18 months on, with her first book published, and putting her specialist interests in counter-terrorism and gun violence to good use, she’s not ready to give up making a positive difference just yet, as she explained to Policing Insight’s Christine Townsend.