Answer to Question #241601 in General Chemistry for Nikki

Question

A man is found dead in a vacant lot near his work place. In the crime scene, the SOCO collected different pieces of evidence including two pieces of cloth tainted with unknown stains. The police are hoping that through these pieces of evidence they could find the culprit or criminal.

Answer 1

Crime : Murder

Piece of collected Evidence : Cloth A and cloth B

Observation:

Cloth A : It has a black stain.

Cloth B : It has a red stain.

1) Cloth A can be used as a possible source of evidence as it contain red stain and it may be blood of the victim or the criminal which may get injured during the murder.

2) The stains which is seen on the cloth can be identified with the help of blacklight.

Blacklight is a kind of lamp which emits the UV radiation. It is used for the detection of many kinds of body fluids i.e. vomit, urine, blood, semen etc. From these we can get the DNA and match it with the other employees at the workplace.