Movies: Good convicts

Italy, early 80's. A political terrorist is being transferred northward from Sicily for a conjugal visit; during the journey, a police captain tries to make him cooperate....

Convicts on a chain gang sniff formaldehyde fumes to get high. They attempt a prison break and are shot down by the guards. After being buried, they rise from the dead, killing all in their path with shovels and hoes....