View a presentation the Snohomish County Assessor's Office offers to representatives of taxing districts each year to help them learn about the levy process. The information provided can be useful to anyone wanting to learn more about this process.
A minimum of 240 hours of instruction in fields of study relating to bloodstain pattern analysis is required. This 240 hour requirement includes the aforementioned 40 hour basic bloodstain pattern analysis course. Additionally, completion of a 40 hour photography course is also required.
Bloodstain pattern analysts use their expertise to determine: 1  The type of weapon used. 2  The direction of travel of a victim or suspect. 3  The trajectory of a projectile. 4  The number of wounds a victim may have suffered. 5  How events unfolded during a violent crime.