Given that they name the officer who shot the double-amputee but not the one who was ‘trapped’ by the double-amputee, I’m betting that the unnamed officer was a woman.
Another account here:
http://news.yahoo.com/houston-officer-kills-double-amputee-wheelchair-222540280.html
Unclear, but seems to suggest the cornered “officer” was a “he”.
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WE HAVE A WIN-N-N-A-A-H-H-H-H-H-HH!!!!