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this week's 48 Hours involves a highly respected police detective who became a prime suspect in his wife's death Amy
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fan was found dead in her massachusett home in May 2018 her husband detective Brian fion told police it was a
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self-inflicted gunshot wound but investigators did not believe his story as Nikki batist reports for 48 hours
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gunshot residue May hold the answers it was 12:06 p.m. on May 8th 2018 when detective Brian fan dialed 911
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my wife just shot herself can you send me some help when Massachusetts state police detectives Brendan otou and Mike
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Blanchet arrived they found 51-year-old Amy fion lying dead on the dining room floor according to Brian the couple had
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been arguing about his retirement plans and at some point Amy picked up his service weapon I just saw the gun in her
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hand and her hand going up and towards her head yeah but investigators did not believe Brian's story I mean there's no
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doubt she get was shot but the question is from what distance it was right freaking there I'm
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telling you distance mattered because in self-inflicted gunshot wounds gunshot residue is expelled from the firearm
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leaving a distinct pattern called stippling on the wound there's none honor Brian there's none honor there has
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to be cuz the gun was there right freaking there fion was later arrested and charged with murder but at trial
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Alexander Jason AC crime scene analysts called by the defense testify that the lack of gunshot residue was not due to
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distance but rather Amy's Hair Amy fion had very dense thick hair that will block The Gunshot residue Amy's Hair was
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not tested by crime scene analysts to support his theory he met us at a gun range using a 45 caliber gun and
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ammunition identical to what was found at the scene Jason fired a single round into a mound of hair by a ballistic skin
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simulant so you just shot a 45 caliber gun 3 in away through hair yes for comparison Jason positioned the gun at
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the same distance using identical ammunition and fired into the skin simulant without
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hair and I pull this away wow you can see there's a big difference that's incredible all from the hair all from
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the hair the hair acted as a filter pretty fascinating and Nikki joins us now Nikki
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that is incredibly fascinating uh so were there any fingerprints found on Brian's gun and what about that gunshot
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residue so there were partial prints found on the gun but detectives weren't able to identify them however both Brian
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and Amy had gunshot residue on their hands but at the crime scene Brian was found holding his wife's hand so it's
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you know it could be transferred what do prosecutor say the motive was it's a big
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question jica so Brian had a relationship ship with a woman he met on a church mission trip he was very
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involved in the church as was she the prosecution says he didn't want to get a divorce because it would have reflected
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poorly they were big in the community they've been referred to as the kennedies of this area and she said it
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just would have looked too bad but this is a real I don't know I've never seen anything like that so I'm really looking
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forward to it's incredible the ballistics in the story is fascinating yeah just in those last 30 seconds my
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mind went back and forth he literally said wait I'm confused I thought I had to figure it out tune in Saturday
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Saturday night great tease Nikki thank you very much as always you can watch Nikki's full report the detective's wife
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on 48 hours tomorrow night at 109 Central right here on CBS and streaming on Paramount Plus