Excerpt fromExcerpt from

NCIAI 2004 ConferenceNCIAI 2004 Conference(North Carolina International Association for (North Carolina International Association for

Identification)Identification)

May 31, 2004

Jason Guffey’s presentation

Comparative Pictures Comparative Pictures betweenbetween

- FLUORESCEIN- BLUESTAR- LUMINOL

Testing

Blood Washed & Painted Over

FLUORESCEIN BLUESTARexp. time : 20 s

LUMINOLexp. time : 1 mn 15 s

Blood Washed with Soft Scrub Cleaner

FLUORESCEIN BLUESTARexp. time : 20 s

LUMINOLexp. time : 1 mn 15 s

Blood Washed with Carpet Cleaner

FLUORESCEIN BLUESTARexp. time : 20 s

LUMINOLexp. time : 1 mn 15 s

Blood Washed with Clothing Detergent

FLUORESCEIN BLUESTAR exp. time : 20 s

LUMINOLexp. time : 1 mn 15 s

Thanks to Jason GuffeyCrime Scene Investigator

Monroe NC