The madman Ramon is being damned with silence. Will no one step forward to defend him, or can we add lying to his long list of sins (murder, kidnapping, torture, aggravated assault, illegal liquor sales, impersonating an officer, adultery, theft, sodomy...)
About the automatic massacre, the only other automatic "machine gun" type guns I've seen in Westerns would be the one in Rooster Cogburn(John Wayne) (on the raft) or the French gun in Two Mules for Sister Sara (Eastwood).The one if Fistful looks a little too modern but I could be wrong.
"Man who sit on jelly doughnut gets his ass in a jam."