Home Tag "Touch DNA"

One Assault, Two Crime Scenes: The Challenge of Handling Sexual Assault Cases

The importance of processing a sexual assault crime scene properly cannot be emphasized enough. Sexual assault cases are actually two crime scenes—one is the location of the occurrence and the other is the body of the victim. These scenes require not only a comprehensive crime scene search, but also swift examination and questioning of the victim. AMU professor Dena Weiss, a 17-year crime scene investigator (CSI), explains the various pieces of evidence a CSI is searching for and collecting as well as how police officers can help preserve key evidence in sexual assault cases.

Law Enforcement Investigation Tools Expand Beyond DNA to Bacteria

For the past five years, forensic scientists have been taking advantage of their ability to collect Touch DNA, small samples of DNA from evidence that has been handled by suspects. However, new research has found that bacteria may be the next generation of forensic evidence used in police investigations. Learn more about key research studies focused on the benefits and feasibility of using bacterial fingerprints as evidence.