Abstract: An improved scent transfer device for collecting evidence at a crime scene. The device comprises an air inflator with a gas cartridge coupled to an air amplifier. A holder having a sterile pad positioned therein is secured to the air amplifier. When gas from the cartridge is expelled into the air amplifier, a vacuum is created at the end of the air amplifier where the pad holder is attached, enabling a user, when the pad holder is positioned near an area to be examined, to collect the scent on the pad. The pad can then be removed and stored in an evidence bag.