Spondylolisthesis  frequently occurs in the lower spine. A vertebrae is gradually pushed out of position. I had a spinal fusion years ago. The vertebrae above it was gradually pushed out of position. The classic symptom is not being able to stand without pain for more than ten minutes at a time. It can block nerves coming from the spine and cause paralysis and severe pain. I have pain in my lower back radiating to my left hip. Sometimes when getting up from a chair or getting out of a car my feet are numb and take a moment to have feeling  return. Additionally, I believe the murder suspect mentioned that he had trouble with sexual performance. Severe pain can be a problem. The slippage can also cause bowel or urinary problems. Physical therapy, over the counter NSAIDs are recommended (not for the elderly), rest, oral  steroids  and steroids injected into the back might help. Surgery is last resort. I take pain meds, steroids, and cannabis for my RA so these measures might help my back. …