Blood

• stains on absorbent and nonabsorbent surfaces
• pin-head sized stains
• washed stains
• weapons
  

Semen

• garment stains, including washed stains
• sexual assault kit items collected at hospital
• feminine hygiene products
• vasectomized males
• inside of used condoms
  

Saliva

• balaclavas
• cigarette butts
• envelope stamps and flaps
• drinking/eating utensils
• chewed gum
• bite marks (on skin and foodstuffs)
• vomitus
• toothbrush
• eating utensils

Hairs

• pulled scalp, body, pubic hair
  

Nasal Secretions

• stain on facial tissue or clothing
  

”Touched” DNA

• handles of weapons, tools
• inside surfaces of gloves
• steering wheel, telephone receiver
• rope, plastic bag handles, electric cord, shoe laces
  

Perspiration

• shirt collars, underarm areas
• sole of sock
  

Muscle, bone, teeth

• putrefied, burned, buried, aged
  

Fingernails

• clippings, scrapings
  

Tissues, organs

• skin, liver, lung, brain,
• formalin-fixed, paraffin-embedded
• fetal remains
  

Urine

• collected for drug tests