*OP said (I don't remember w/Roux or Nel), "I can barely stand on my stumps, much less wield a bat."
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* Medical study about mobility of leg amputees:
http://jbjs.org/article.aspx?articleid=17545
"The results demonstrated that in amputees
there is an increased dependence on vision for maintenance of the erect posture. Postural sway in patients with below-the-knee amputations was found to be significantly greater than that in those with above-the-knee amputations. Postural sway increased with age; but the visual dependence for the control of postural sway was independent of age."
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OP no doubt had balance issues on his stumps due to his below-the-knee-amputations, but maintaining his balance was dependent on "vision"... in other words being able to see where he was going. No way would OP willingly navigate in the dark without turning on a light, especially to reposition fans, etc. And the light was on in the bathroom, just as the Stipps said, when he took aim and fired his gun at the cubicle door.