If you are seeing tweets about immigration checkpoints in Miami and Miami Beach, they are not true.
Reporters and officials have confirmed there are no checkpoints in the Miami area. Miami Beach Police tweeted that they spoke with the Department of Homeland Security and there is no immigration activity in the city.
Additionally, reports of another checkpoint in Miami are unsubstantiated. Reporters from multiple news outlets drove by and confirmed no activity.
The image that accompanied the false tweets was actually taken in 2014 in Arizona.