Another person's blood found on clothes

The blood of another person has been found in a sample collected from the clothes of Sohagi Jahan Tonu, a student and theatre activist from Comilla Victoria Govt College who was murdered a decade ago, reports bdnews24.com.
DNA tests have found that sperm and blood samples of four people were present on Tonu's clothes. The current investigating officer of the case, Inspector Md Tariqul Islam of the Police Bureau of Investigation (PBI), revealed on Sunday that a letter was sent to the Criminal Investigation Department (CID) a few months ago requesting details about the samples.