Asst. Prof. Dr. Chittanon Buranachai (lecturer of Physics, Division of Physical Science), Asst. Prof. Dr. Phuvadol Thanakiatkrai (lecturer of Forensic Science, Division of Health and Applied Sciences) and their team from Faculty of Science, Prince of Songkla University were invited from Police Forensic Science Center 9 – Chalung, Hatyai, Songkhla to show “PSU-VisDNA KIT”, which is the portable instrument that can be used to detect biological evidence from the crime scene.