I see police cars with a star or two stars on a blue background near the rear number plate of their vehicle. So one star means that the person is a DSP,
![Military Ranks Shoulder Badge Army Soldier Straps Stock Illustration - Download Image Now - Army, Armed Forces Rank, Insignia - iStock Military Ranks Shoulder Badge Army Soldier Straps Stock Illustration - Download Image Now - Army, Armed Forces Rank, Insignia - iStock](https://media.istockphoto.com/id/1322437798/vector/military-ranks-shoulder-badge-army-soldier-straps.jpg?s=1024x1024&w=is&k=20&c=7hswvfHzTgwAXYwVsWBmvHH_i55QrUbFg53oAkzWPLQ=)
Military Ranks Shoulder Badge Army Soldier Straps Stock Illustration - Download Image Now - Army, Armed Forces Rank, Insignia - iStock
![Armed Forces Insignia - Police Rank (U-279G) Five Stars in Circle Corregated Gold (Miniature) 1 PAIR - FIRE & POLICE INSIGNIA Armed Forces Insignia - Police Rank (U-279G) Five Stars in Circle Corregated Gold (Miniature) 1 PAIR - FIRE & POLICE INSIGNIA](https://www.armedforcesinsignia.com/data/shopcart7/image_db/U-279G_W.png)