What they would be comparing are tool marks left when a round is ejected from a gun. So, in a handgun like this, when the slide is racked when a round is chambered, that round is ejected. The mechanism will leave marks on the outside of the round, even though it has not been fired.Does anyone here understand bullets at all?
If an unspent bullet is compared to several spent bullets is it really scientifically possible to identify them being one and the same or even from the same batch or gun.
I am aware there are different opinions about bullets and forensic science in crime cases.
For me, however, I would think an unspent bullet would be a bit different to a fired bullet.
Does anyone know anything about bullets because I really don't.
JMO MOO JMT
RA himself stated, before he was ever arrested, that he was on the bridge between 1:30-3:30.
There are a few different ways of doing this.Does anyone here understand bullets at all?
If an unspent bullet is compared to several spent bullets is it really scientifically possible to identify them being one and the same or even from the same batch or gun.
I am aware there are different opinions about bullets and forensic science in crime cases.
For me, however, I would think an unspent bullet would be a bit different to a fired bullet.
Does anyone know anything about bullets because I really don't.
JMO MOO JMT
You said it better than me! I defer to your more complete knowledge.There are a few different ways of doing this.
One is that a fired bullet is recovered, and compared to one fired in a ballistics lab from the gun they believe it to be (when you see them shooting into water). The markings on the bullet are compared.
When you don't have a bullet (the part that forms the tip of the round), the next move is to compare bullet casings (the metal things you see laying on the ground after a shooting). Those casings have marks from both the firing pin (which strikes the primer and creates the explosion that launches the bullet), and the extractor, which ejects the bullet casing out of the gun.
In this case, the round wasn't fired, so all they can compare is the marks from the extractor. When a magazine is inserted into an empty gun (people also incorrectly call this a clip), you have to rack the slide (*advertiser censored* the gun) to put a round in the chamber. So presumably, the killer had already done that, forgot, and then did it again to scare the girls into complying. This would have ejected an unspent round onto the ground.
Here's more:
"When the slide comes back like this, a round is extracted from the chamber with what's called an extractor, which is like a little claw that actually hooks on to this protruding rear edge of the cartridge, pulls it out, and then the injectors sort of kicks it out of the ejection port," said Guy Relford, Indianapolis gun expert and defense attorney. "So that claw, that extractor, grabs onto that little edge on the back of the cartridge and can leave a little mark on the shell casing, even on an unspent round through the process of extracting the unspent round out of the gun."
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Gun expert and defense attorney break down new details in Delphi murder case
One of the largest areas of focus in the Delphi investigation is a single unspent bullet found near the bodies of Abby Williams and Libby German in 2017.www.wrtv.com
Wow!
So the DT is sticking to their alternate theory that the girls were whisked away and then brought back at approx 4:30 am?
Thats all they’ve got? They really want to go that route?
Oh boy!!!
No. There was a gag order. Why would they have to tell the public before the trial if they had DNA or not? LE only reveals a few details of the crime to family, as long as they don't compromise the investigation, and of course they are free to reveal what they believe is useful during public appeals.Were LE required to be honest with the general public as to whether or not they had DNA?
They did test it and found it came from a female member of the family.
No need to test any further. Or was BG really a woman???
Oh.. please.... defense is spit balling.
I am glad you asked!! The murder sheet had a number of interviews with experts on toolmark analysis: re unspend bullets.Does anyone here understand bullets at all?
If an unspent bullet is compared to several spent bullets is it really scientifically possible to identify them being one and the same or even from the same batch or gun.
I am aware there are different opinions about bullets and forensic science in crime cases.
For me, however, I would think an unspent bullet would be a bit different to a fired bullet.
Does anyone know anything about bullets because I really don't.
JMO MOO JMT
No. There was a gag order. Why would they have to tell the public before the trial if they had DNA or not? LE only reveals a few details of the crime to family, as long as they don't compromise the investigation, and of course they are free to reveal what they believe is useful during public appeals.
I didn't get this from that hair issue - I got that they believe the investigation itself was lacking if the hair wasn't tested at the beginning when it was first found. That's a glaring issue imo - why did they NOT test it? At what point DID it get tested and by whom? EG: did the Defense finally have it tested in preparation for trial or did the State realize this glaring omission and test it themselves at some point? Pretty big deal here imo.
and the ejection marks are not left on the projectile part of the bullet--the ejection marks on an unfired round are left on the metallic case part of the bullet, which is the part the gunpowder resides. JMOWhat they would be comparing are tool marks left when a round is ejected from a gun. So, in a handgun like this, when the slide is racked when a round is chambered, that round is ejected. The mechanism will leave marks on the outside of the round, even though it has not been fired.
MOO
You said it better than me! I defer to your more complete knowledge.
RULE 20. PRELIMINARY INSTRUCTIONS
(a) The court shall instruct the jury before opening statements by reading the appropriate instructions which shall include at least the following:
(1) the issues for trial;
(2) the applicable burdens of proof;
(3) the credibility of witnesses and the manner of weighing the testimony to be received;
(4) that each juror may take notes during the trial and paper shall be provided, but note taking shall not interfere with the attention to the testimony;
(5) the personal knowledge procedure under Rule 24;
(6) the order in which the case will proceed;
(7) that jurors, including alternates, may seek to ask questions of the witnesses by submission of questions in writing.
(8) that jurors, including alternates, are permitted to discuss the evidence among themselves in the jury room during recesses from trial when all are present, as long as they reserve judgment about the outcome of the case until deliberations commence. The court shall admonish jurors not to discuss the case with anyone other than fellow jurors during the trial.
There was a gag order in place while police were investigating up to the point when RA was arrested? I've never heard this before, has anyone? Is there a link that supports this? My understanding was there was no gag order until RA was arrested???No. There was a gag order. Why would they have to tell the public before the trial if they had DNA or not? LE only reveals a few details of the crime to family, as long as they don't compromise the investigation, and of course they are free to reveal what they believe is useful during public appeals.