The following are free evaluation versions of our software for Blood Spatter Analysis.  

Fully functional but limited to 20 trials

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• BackTrack^(R)/Win, New (Dec 1 2010) Version 4.52 for XP, Vista or Windows 7. This copyrighted  program will enable the blood spatter analyst to carry out a sophisticated Directional Analysis for up to 100 bloodstains located on 12 different surfaces at a crime scene. The data that define the virtual strings to be assigned to the blood stains can be entered via the keyboard or read from a file created by BackTrack/Images. An on line user's manual is included as a help file. Example data files are provided e.g. see "kitchen.bt1" for a pattern of 40 bloodstains in a kitchen. This was an exercise held during the RCMP Math /Physics training course at the Canadian Police College in Ottawa, in March 1997. See also part 3, chapter 2 in "Scientific and Legal Applications of Bloodstain Pattern Interpretation" edited by Stuart H. James for an example of the use of this program.

• BackTrack^(R)/Images, New (Dec 1 2010) Version 4.52 for XP, Vista or Windows 7.   This copyrighted  program speeds up the analysis by the use of digital images of individual bloodstains created by a digital cameras. It offers the blood spatter analyst unprecedented accuracy along with the ease of measurements that is provided by digital photography. On line user manuals are included as help files, completely rewritten for versions 4.52. In addition, there is a tutorial provided by 6 bloodstains from a pattern produced in the laboratory. These stains have correct ellipses fitted for instructional purposes. See also chapter 15 in Forensic Evidence In Canada second edition, edited by G.M. Chako and E.D. Gulliver. Download here.

  Latest downloads posted here on December 5 2010

   To avoid abuse we are asking that an email be sent to Dr A L Carter requesting the key values for these downloads. Please include your affiliation with Forensics if possible. (Alternatively, upon requests, instructions for downloading free versions of the above from a public ftp can be emailed to applicants.)0