Working undercover, Allen and sidekick Mendoza are out to stop the mail train robberies. Rivers and his gang are the culprits and by joining up with them, they hope to get the evidence they ... Read allWorking undercover, Allen and sidekick Mendoza are out to stop the mail train robberies. Rivers and his gang are the culprits and by joining up with them, they hope to get the evidence they need.Working undercover, Allen and sidekick Mendoza are out to stop the mail train robberies. Rivers and his gang are the culprits and by joining up with them, they hope to get the evidence they need.
