Dragnet was created and produced by Jack Webb, who starred as stoic Sergeant Joe Friday. Webb was a stickler for accurate details, and Dragnet used authentic touches, such as the LAPD’s actual radio call sign (KMA367), and the names of actual department officials. For the next thirty minutes, in cooperation with the Los Angeles Police Department, you will travel step-by-step on the side of the law through an actual case transcribed from official police files. From beginning to end—from crime to punishment—Dragnet is the story of your police force in action.”
In the civil war, Jess Bradley and his dog are captured by an evil Union officer and when the dog dies, things take a turn for the worse for the evil Colonel.
You can download these from here. This show is the only American production of a Sherlock series done in America. That is, anything that looks like Sir Arthur Conan Doyles vision of Sherlock.
A merchant always knows what you need and sells it to you. The sign on his store says “I have what you need”.