Ruling 1960
The obligatory precaution is that one must not give zakat to a person who consumes alcohol, does not perform prayers, or publicly commits major sins.
-Ayatullah Sistani, Practical Laws of Islam, Alms Tax (Zakat)
Alms Tax: Giving Zakat to Open Sinners
Practical Laws of Islam as per the teachings of Ayatullah Sistani
