Mustelier Galán is a member of the Patriotic Union of Cuba (Union Patriotica de Cuba, UNPACU), based in eastern Cuba and headed by former political prisoner (of the Black Spring's "75") Jose Daniel Ferrer Garcia.
He is the fourth member of UNPACU sentenced in recent months.
The others are
- Dany López de Moya, sentenced to one-year for "disobedience"
- Omar Naranjo Borges, sentenced to four-years for "dangerousness"
- Yordanis Gómez Mejías, sentenced to two-and-a-half years for "drawing anti-Castro posters"
