DNA notes

To get DNA
- blood (white blood cell! rbc has no nucleus, so no DNA)
- hair
- skin under nail
- saliva (like envelop licked area, cigarette butt)
- if it's rape, vagina swipe to find sperm
- sweat
- skin cells

Evidence	Possible location of DNA	Source
baseball bat	handle, end	sweat, skin, blood tissue
eyeglasses	nose or ear pieces	lens, sweat, skin
facial tissue, cotton swab	surface area	mucus, blood, sweat, ear wax
used cigarette	cigarette butt	saliva
stamp or envelop	licked area	saliva
blanket, pillow, sheet	surface area	swear, hair, urine, saliva
fingernail, partial fingernail	scarping	blood sweat, tissue

drugs can be found in your urine

DNA: look at 5 base pairs, THEY STILL MAY BE THE SAME EVEN THOUGH HIGHLY LIKELY.