La Vie est un Tango

This is a thriller story based in Santa-Clara, Cuba.
This is the second novel of a Trilogy by Lorenzo Lunar, where the protagonist, head of the local police station during the Periodo Especial, has to deal with new illegal activities in the neighbourhood and two murders. A sun glasses smuggling seems to be taking place in the Barrio, but it may be that it is only covering more lucrative illega