I think that altering a crime scene is bad advise, even if it is in jest.
Forensic evidence can be very good today. If you were justified, the evidence will back up your story.
Don’t put that at risk by altering the evidence.
Uh, I was just kidding.
That’s why I included the Wheelchair line.
Just so you know, my Brother’s Cop buddy told him the same thing tongue in cheek over 40 years ago.
He suggested you drop the Perp when he got a few steps through the door so he wouldn’t fall back onto the Front Porch. Remember, this was long before CSI and DNA.