Page 20 of 45 FirstFirst ... 10 18 19 20 21 22 30 ... LastLast
Results 286 to 300 of 662
  1. #286
    Join Date
    May 2010
    Posts
    8,369
    Not to forget good ol' Wikipedia, lol:

    Footprints can also allow the detective to find the approximate height by the size of the foot[4], footprint and shoeprint. The Foot tends to be approximately 15% of the person's height[5][6]. Individualistic characteristics of the footprints like numerous creases, flatfoot character, horizontal and vertical ridges, corns, deformities etc. can help the forensic scientist in cases pertaining to criminal identification[7]. In some forensic cases, the need may also arise to estimate body weight from the size of the footprints[8].

    http://en.wikipedia.org/wiki/Footprint
    Last edited by KateB; 06-14-2015 at 06:02 PM. Reason: repair url tag.


  2. The Following 3 Users Say Thank You to Wondergirl For This Useful Post:


  3. #287
    Join Date
    Nov 2009
    Posts
    1,599
    Quote Originally Posted by Wondergirl View Post
    Not to forget good ol' Wikipedia, lol:

    Footprints can also allow the detective to find the approximate height by the size of the foot[4], footprint and shoeprint. The Foot tends to be approximately 15% of the person's height[5][6]. Individualistic characteristics of the footprints like numerous creases, flatfoot character, horizontal and vertical ridges, corns, deformities etc. can help the forensic scientist in cases pertaining to criminal identification[7]. In some forensic cases, the need may also arise to estimate body weight from the size of the footprints[8].

    http://en.wikipedia.org/wiki/Footprint
    Guess how this kind of information was gathered? Back many years ago, Canadian LE were collecting data. They went to fairs and exhibitions, where ordinary folks stood on a flat surface and walked on a treadmill, while a computer gathered data. Participants' weight and height were noted. Tread patterns on shoes were recorded. There's a wide cross-section of people at fairs and exhibitions.


  4. The Following 3 Users Say Thank You to Summersolstice For This Useful Post:


  5. #288
    Join Date
    May 2010
    Posts
    8,369
    Lots of good info at this link:


    Types of footwear evidence

    Footwear evidence can come in at least three forms, footwear outsole impressions, footwear insole impressions and footwear trace evidence.

    Footwear outsole impressions

    Footwear outsole impressions are impressions left on an object that was caused by contact with a piece of footwear. These can left on the ground or raised surface by persons treading over it, left on doors or walls by persons attempting to kick or climb over a wall or even left on other persons after being kicked or stomped on.

    There can also be latent impressions not easily visible to the naked eye, on many different surfaces such as floor tiles, concrete or even carpet. Detection may require the use of additional specialized light sources such as portable ultraviolet lighting. Recovery typically includes photography as well as lifting with "gel" or "electrostatic" dust lifters.

    Footwear insole imprints

    Footwear insole imprints are imprints left in the inside of footwear caused by contact from the person’s foot. Analysis of the insole imprints can be used to link a person(s) to a piece of footwear.

    Footwear trace evidence

    Footwear trace evidence is trace evidence that is recovered from footwear. Types of trace evidence that could be recovered include skin, glass fragments, body hair, fibres from clothing or carpets, soil particles, dust and bodily fluids. The study of this trace evidence could be used to link a piece of footwear to a location or owner. dna can be one of the contributing factors in forensic footwear evidence.

    Detection of footwear evidence



    Shoeprints left on a dusty surface.



    Footwear impressions can be detected with a variety of methods including:
    • Using artificial light sources to provide oblique,coaxial, and polarized light for detection of visible and latent impressions.
    • Using electrostatic lifting devices to lift dusty impressions.
    • Using physical or chemical enhancement methods to develop or enhance faint impressions.
    Recovery of footwear impression evidence

    Footwear evidence occurs most often as either footwear impressions left in a soft surface, such as mud or as dust deposits, which are difficult for the human eye to detect. At violent crimescenes footmarks can be left as a result of a person standing in blood and subsequently trailing it as they move around the scene.

    http://en.wikipedia.org/wiki/Forensic_footwear_evidence
    Last edited by OkieGranny; 04-16-2015 at 05:33 PM. Reason: fixed broken link


  6. The Following User Says Thank You to Wondergirl For This Useful Post:


  7. #289
    Join Date
    Sep 2008
    Posts
    22,947
    Quote Originally Posted by Wondergirl View Post

    In some forensic cases, the need may also arise to estimate body weight from the size of the footprints.

    http://en.wikipedia.org/wiki/Footprint
    Well that is certainly interesting!!! I wore the same shoe size when I was a fat young adult....as I did during the next 20 years when I was 50 or so lbs thinner and at a healthy weight...and that I still do now that I am big and fat again.
    Anything I post (other than a quote) is simply my own opinion.


  8. The Following 3 Users Say Thank You to Blue Ridge For This Useful Post:


  9. #290
    Join Date
    May 2010
    Posts
    8,369
    Quote Originally Posted by Mommy2Sarah View Post
    Well that is certainly interesting!!! I wore the same shoe size when I was a fat young adult....as I did during the next 20 years when I was 50 or so lbs thinner and at a healthy weight...and that I still do now that I am big and fat again.
    LOL

    Thanks for the laugh. That's what you get for quoting Wikipedia, hahaha. In all seriousness though, I think they are referring to scientific things like depth of the print etc. (that I won't even begin to discuss, way above my head!), to determine weight etc. I think it gets quite technical, but, maybe it is all just rubbish....dunno.

    I was throwing it out there for discussion, in case there were some forensic sleuthers who knew the answer to the questions on the science of it all.


  10. The Following User Says Thank You to Wondergirl For This Useful Post:


  11. #291
    Join Date
    May 2010
    Posts
    8,369
    Take your height and multiply it by .15 (using the 15% "rule" above), you should get your foot size (apx.), according to the theory above.


  12. The Following 2 Users Say Thank You to Wondergirl For This Useful Post:


  13. #292
    Join Date
    Jan 2007
    Location
    St. Louis
    Posts
    364
    I'm pretty sure they can somewhat guesstimate weight by how a shoeprint is left. My hubby is fluffy, and his shoes wear differently than our sons, who wear the same size but aren't, well, fluffy. I can always tell whose shoes are whose by the wear even if they buy the same shoe-which they often do.

    Not scientific or anything, just a t93 household factoid.


  14. The Following 3 Users Say Thank You to t93 For This Useful Post:


  15. #293
    Join Date
    May 2010
    Posts
    8,369
    Approximate height and wearer:

    Measurements of footwear impression dimensions can be used to provide the approximate height of a suspect. With shoeprint size information, investigators can refer to statistical data to approximate the height of the person since shoeprint vs. height relationship follows a normal distribution. Height can also be approximate by stride length which could be measured from a set of footwear impressions.

    Activity of wearer when imprint was made:

    Analysis of a plastic footwear impression can also be used help determine the activity of the wearing when the imprint was made. The footwear imprint left by person is different when they are walking, running or carry heavy loads. A footwear impression left by running person will typically deeper in the heel and toe sections of the shoeprint. A person carrying a heavy load such as a body will cause deeper prints than a person not carrying anything.


    Establish link between footwear impression and specific piece of footwear:

    A specific piece of footwear can be linked to a specific footwear impression with careful analysis. Every piece of footwear will show different amounts of tread wear, different amounts of damage in the form of tiny cuts and nicks. These unique characteristics will also show on the impression left by the footwear

    http://en.wikipedia.org/wiki/Forensic_footwear_evidence
    Last edited by OkieGranny; 04-16-2015 at 05:33 PM. Reason: fixed broken link


  16. The Following 2 Users Say Thank You to Wondergirl For This Useful Post:


  17. #294
    Join Date
    Nov 2009
    Posts
    1,599
    Quote Originally Posted by Wondergirl View Post
    Approximate height and wearer:

    Measurements of footwear impression dimensions can be used to provide the approximate height of a suspect. With shoeprint size information, investigators can refer to statistical data to approximate the height of the person since shoeprint vs. height relationship follows a normal distribution. Height can also be approximate by stride length which could be measured from a set of footwear impressions.

    Activity of wearer when imprint was made:

    Analysis of a plastic footwear impression can also be used help determine the activity of the wearing when the imprint was made. The footwear imprint left by person is different when they are walking, running or carry heavy loads. A footwear impression left by running person will typically deeper in the heel and toe sections of the shoeprint. A person carrying a heavy load such as a body will cause deeper prints than a person not carrying anything.


    Establish link between footwear impression and specific piece of footwear:

    A specific piece of footwear can be linked to a specific footwear impression with careful analysis. Every piece of footwear will show different amounts of tread wear, different amounts of damage in the form of tiny cuts and nicks. These unique characteristics will also show on the impression left by the footwear

    http://en.wikipedia.org/wiki/Forensic_footwear_evidence
    The treadmill I mentioned was for gait analysis (and stride length), I believe. Certain people have distinctive gait patterns. That, too, would be indicated in tread wear.

    People carrying a load would leave a different footprint after they put the load in the trunk of the car, for example.

    I do believe this science is still developing. I wonder if these techniques were used in another case that comes to mind.


  18. The Following 2 Users Say Thank You to Summersolstice For This Useful Post:


  19. #295
    Join Date
    Sep 2010
    Posts
    3
    Quote Originally Posted by PeonyLover View Post
    I note that you mentioned that you are a resident of Orangeville...do you know if there are Red Light Cameras at the intersections of Broadway&10 or 10 & 9 where the person would in all likelihood have driven in order to get to the site where the remains were found?
    If the animal who did this knows Orangeville and the area as police suspect. There are are two main routes to get to that location and one route that is all back roads. 1. Bypass to hwy 10 probably the quickest route from her home.
    2. Broadway to Hwy 10 closest to town hall. 3. Townline/Winston Churchill to Beech Grove Sd Rd. Out of the way but all dark country rds. I would hope if there are camera's at any of the main intersections (! & 2) police would have them and be scanning them.


  20. The Following 4 Users Say Thank You to rundles For This Useful Post:


  21. #296
    Join Date
    Jun 2009
    Posts
    2,743
    I just got the new Marks Work Warehouse flyer in the mail, Dakota boots are on sale!


  22. The Following 2 Users Say Thank You to flipflop For This Useful Post:


  23. #297
    Join Date
    Feb 2010
    Posts
    169
    Quote Originally Posted by Wondergirl View Post
    Take your height and multiply it by .15 (using the 15% "rule" above), you should get your foot size (apx.), according to the theory above.
    I guess I just have small feet, because no matter how I do this I end up with an answer that is 2 sizes off. I like being "exceptional"!


  24. The Following User Says Thank You to pinkeyesucks For This Useful Post:


  25. #298
    Join Date
    Oct 2009
    Location
    North Queensland Australia
    Posts
    1,524
    just by a few things said on one of the facebook pages, I am sure Sonia knew her killer quite well, this I dont think has anything to do with a stranger or even a stalking admirer or maintenance man sexual deviant........I really do think this was a man quite significant in her life, be it boyfriend,, ex, lover, neighbour or maybe even a good friend or friendly colleague
    REVAMPZ


  26. The Following 4 Users Say Thank You to revampz For This Useful Post:


  27. #299
    Join Date
    Apr 2009
    Posts
    1,048
    Quote Originally Posted by revampz View Post
    just by a few things said on one of the facebook pages, I am sure Sonia knew her killer quite well, this I dont think has anything to do with a stranger or even a stalking admirer or maintenance man sexual deviant........I really do think this was a man quite significant in her life, be it boyfriend,, ex, lover, neighbour or maybe even a good friend or friendly colleague
    Just curious, what is being said and by whom?


  28. The Following 2 Users Say Thank You to Flowercb For This Useful Post:


  29. #300
    Join Date
    Feb 2010
    Posts
    169
    Quote Originally Posted by Valleyboy View Post
    I don't think think would be an accurate.


    For ex. My Son in Law is 6 ft 2 in and size 9 1/2

    He is also 60 lbs heavier than me.

    I am 5 ft 10 in and size 10 shoe
    I would have to concur that it would only be an estimate of actual height if directly comparing shoe size to height. My ex husband was a whopping 5 ft 5 in, and wore a 10, and my current husband is 6 ft and wears the same.

    And in thinking about it, realistically, the average male height in Canada is 5 foot 9 1/2 inches. So in asking for an estimate of height based on shoe size what margin for error would be tolerable? Would it be 2 inches on either side of that? Or more? Perhaps less? I guess it is kind of a pointless argument in this case, since we already assume we are looking for an average sized man with average sized feet. I keep getting caught up in the silly details and missing the main point. Most people full grown men come within a few inches either side of 5ft 9inches. It would be more helpful perhaps to have an estimate of weight to go along with it all. That would be more telling, don't you think?


  30. The Following 2 Users Say Thank You to pinkeyesucks For This Useful Post:


Page 20 of 45 FirstFirst ... 10 18 19 20 21 22 30 ... LastLast

Similar Threads

  1. CANADA Canada - Sonia Varaschin, 42, Orangeville, 29 Aug 2010 - #3
    By No_Stone_Unturned in forum Cold Cases
    Replies: 122
    Last Post: Yesterday, 10:04 PM
  2. Replies: 1337
    Last Post: 03-14-2015, 06:48 PM
  3. Canada, Ontario-2 missing Orangeville women found dead
    By Patience in forum Up to the Minute
    Replies: 2
    Last Post: 10-03-2010, 10:43 AM

Tags for this Thread

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •