[Joe 6-pack]

"I don’t think cop killers were that afraid of prison either. I think cases like these may fail under the category of assisted suicide."

There is one school of Kennedy conspiracy thought that suggests JD Tippet was set up too be sacrificed so that the Dallas PD would, "take care of business," when Oswald was apprehended. As Oswald was taken alive Jack Ruby (who had some associations with Tippet) was sent in to clean up.

[D Rider]

And Jack Ruby had terminal cancer...