You can often identify an undercover agent by spotting things like concealed items, unusual equipment, certain body language, their presence being constant and in areas that are known for criminal activity to occur.
An undercover agent may also appear well groomed or unusually clean and avoid discussing their personal lives while they also show an excessive interest in you or someone else's personal car.
Also if the agent is undercover and driving an unmarked car there may also be some extra antennas such as on the roof, trunk hood etc.
Identifying an undercover police car can also be tricky, but here's how to look for clues:
The undercover police cars often blend in with regular traffic using civilian-looking vehicles, but they may have subtle indicators like special equipment, unusual interior features, or specific driving habits.
There may also be a very hard to see police logo on the undercover police car, especially if the police was used before as a police car and the logo was not fully removed and left some of the lettering on it.
The police use an old police car for undercover work and if you look close enough you can still see where it says police on the sides in which the logo used to be.
Key Indicators of an undercover police car and undercover agents care include.
Spotlights: Look for spotlights, especially on the driver's side near the mirror.
Antennas or Communication Devices: Observe antennas or smaller, less noticeable communication devices like a black disc.
Interior Equipment: Check for laptops, laptop stands, extra switches, cameras, or other unusual items mounted on the windshield or dashboard.
Non-Standard Features: Be aware of non-standard center consoles, gun racks, or bars on the back windows.
Driving Behavior: Undercover officers may drive at a constant speed, make quick lane changes, or follow a vehicle closely, but they generally follow traffic laws.
License Plates: Undercover cars typically use standard civilian license plates.
Vehicle Type: Common undercover vehicles include SUVs, sedans, and even trucks, often in nondescript colors.