The capital penalty was given to Ha Van Thanh, Lo Thi Lapand Ha Thi Thanh, all residing in Moc Chau district, Son La province.
Hoang Van Hung and Nguyen Van Hieu were ordered to spend therest of their life in prison while Bui Minh Quang was jailed for 18 years.
According to the verdict, the police caught Ha Van Thanhred-handed for illegally storing drugs, including 15 packs of heroin weighingover 4.6kg and 3kg of meth on July 5, 2018.
They later arrested Quang, Hung, Lap, Thanh and Hieu./.