From pools around the body to blood spatter patterns on the wall, you can gather a lot from this information. Bloodstain patterns depend greatly on the force that was used to create them.

Dr. Sam Sheppard was convicted of killing his wife Marilyn Sheppard on July 4, 1954. When the police first searched the house they found no signs of forced entry but there were signs that the house had been ransacked, however it was a neat ransack. At the time of the first trial the prosecutions evidence proved to be to great and he was sent to prison for life on the count of murder in the second degree. His two brothers still weren't convinced that the Doctor had committed this crime. They hired a young attorney F. Lee Bailey. The new evidence that had come up was shocking. The blows to Marilyn's head were caused by someone much weaker than Dr. Sheppard, perhaps a women. Come to find out that Marilyn had given a key to her dear friend Mayor Spencer Houk. Bailey assumed they were having an affair and came to the conclusion that Houk's wife found out and had killed Marilyn Sheppard.

Blood spatter evidence has helped modern science tremendously. The use of bloodstain analysis was not recently discovered, however, new technological advances have been made and have become available to detectives to help solve crimes. You can come to many conclusions based on the way the blood pattern is placed. You can determine the angle of impact, flight characteristics, area of origin and the point and area of coverage. If an analyst follows a specific procedure then they can produce strong evidence, making it an effective tool for investigators to use for their case.