Cuban immigrants are afforded a special place in U.S
Later in this presentation why they are trying to get into the U.S., why the police are stopping them, if they are selling illegal products, if so what, how they get here, what we are going to do about it and what is our policy on human immigration into the U.S.
Why do the Cubans want to come into the U.S.?
Why are the police stopping them?
They are being stopped because the US can't have illegal immigrants coming and taking jobs and bringing disease.
The Reason That Cuban Cigars Are Illegal - ThoughtCo

From Welcomed Exiles To Illegal Immigrants Cuban
US Immigration and Customs Enforcement officials in the Boston area arrested 2,834 immigrants who were in the country illegally during the 2017 fiscal year, which ran from October 2016 to September, compared with 1,858 arrests in the previous fiscal year. The increase was largely due to a surge in “noncriminal” arrests, a figure that more than tripled from 343 to 1,106, the data showed.
How Mexico Treats Illegal Aliens - | National Review
Carlos Curbelo of Miami, pictured here endorsing Marco Rubio for president, has filed a bill in Congress to curtail automatic welfare benefits to Cuban immigrants.